{"id":16479,"date":"2026-09-04T14:42:32","date_gmt":"2026-09-04T06:42:32","guid":{"rendered":"https:\/\/tiffanysmandarin.com\/?p=16479"},"modified":"2026-09-09T12:40:41","modified_gmt":"2026-09-09T04:40:41","slug":"book-1-l4","status":"publish","type":"post","link":"https:\/\/tiffanysmandarin.com\/index.php\/2026\/09\/04\/book-1-l4\/","title":{"rendered":"\u8996\u807d\u83ef\u8a9e Book 1 Lesson 4"},"content":{"rendered":"\n<div style=\"height:3px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<!--\n  \u5be6\u7528\u8996\u807d\u83ef\u8a9e (Practical Audio-Visual Chinese) Book 1 \u00b7 Lesson 4\u300c\u9019\u679d\u7b46\u591a\u5c11\u9322\uff1f\u300dHow Much Is This Pen? \u2014 Vocabulary Embed\n  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n  Same technical pattern as the Book 1 Lesson 1\u20133 embeds in this series \u2014\n  see those files' comments for the fuller rationale. Key points repeated\n  here, plus what's different for this file:\n    - No <!DOCTYPE>\/<html>\/<head>\/<body>; site's own Text Display \/ Pinyin\n      Display toggle covers zh-TW\/zh-CN as usual\n    - CSS scoped under .pavc-b1l4-vocab-embed with its own --pv4-* vars \u2014\n      same palette as the rest of the series\n    - Ruby: every example\/dialogue sentence segmented WORD BY WORD\n    - Root lookup by id (#pavc-b1l4-vocab-embed-1), not currentScript\n    - Same self-contained EN \/ \u65e5\u672c\u8a9e \/ \ud55c\uad6d\uc5b4 translation toggle as the\n      earlier files (TR()\/trSpans()\/pv4-lang-* classes; quiz's\n      QMC()\/QTYPE() + UI_STRINGS + getLang())\n    - COPYRIGHT: no audio, no textbook dialogue text. Section 05 (\"Put It\n      Together\") is an ORIGINAL dialogue I wrote myself \u2014 not the\n      textbook's.\n    - CORRECTED against the official Lesson 4 \u751f\u8a5e list from the user's\n      uploaded textbook PDF (this supersedes the earlier draft, which was\n      built from a teaching-workshop slide deck's \"\u517130\u500b\u751f\u8a5e\" claim without\n      the actual word list). The official numbered list is genuinely 30\n      items, but the draft had only 29 because it merged two separate\n      official headwords \u2014 \u591a\u5c11 (du\u014dsh\u01ceo, \"how much\/how many\", #2) and \u9322\n      (qi\u00e1n, \"money\", #3) \u2014 into a single combined card \"\u591a\u5c11\u9322\". These are\n      now split into their own cards, matching the textbook. Also fixed an\n      existing WD()\/W() bug: \u4e00\u5171's example sentence used plain W() for \u9322\n      even though \u9322\/\u94b1 is a genuine traditional\/simplified script\n      difference \u2014 now WD(). Every other word in the draft (all ten\n      numbers, \u6bdb\/\u5206\/\u5e7e\/\u5169\/\u584a\/\u96f6\u9322\/\u7d66\/\u8acb\/\u627e\u9322\/\u500b\/\u676f\/\u7a2e\/\u534a\/\u4f4d\/\u672c\/\u90a3) matched\n      the official list correctly already.\n    - This lesson's official word list is almost entirely numbers 1\u201310,\n      measure words, and money terms \u2014 it's the \"how much does it cost\"\n      numbers-and-shopping lesson \u2014 so the grouping here follows that:\n      numbers, money terms, measure words, and a handful of other grammar\n      words (\u5e7e\/\u5169\/\u7d66\/\u8acb\/\u90a3), 30 words total\n    - All example sentences newly written for this embed, deliberately\n      reusing this lesson's and Lessons 1\u20133's vocabulary (plus unavoidable\n      minor grammar) so nothing outruns what's been taught yet. Note: \u4e8c is\n      used for plain counting\/compound numbers (\u4e8c\u5341, \u4e8c\u5341\u584a) while \u5169 is\n      used directly before a measure word (\u5169\u672c) \u2014 that's genuine PAVC\n      grammar for this lesson, not an inconsistency\n    - Traditional\/simplified pairs checked individually \u2014 real differences\n      in \u9322\/\u94b1, \u584a\/\u5757, \u96f6\u9322\/\u96f6\u94b1, \u627e\u9322\/\u627e\u94b1, \u500b\/\u4e2a, \u7a2e\/\u79cd, \u5e7e\/\u51e0, \u5169\/\u4e24,\n      \u7d66\/\u7ed9, \u8acb\/\u8bf7 \u2014 all handled via WD(); the ten numbers, \u591a\u5c11, \u6bdb, \u5206,\n      \u4e00\u5171, \u679d, \u676f, \u4f4d, \u672c, \u534a, \u90a3 are identical across scripts and use W()\n    - Japanese\/Korean glosses are natural translations of the meaning\n    - No literal `&&` inside the <script> tag (WordPress content filter risk)\n    - Top-of-page support note, same as the rest of the series\n-->\n<div class=\"pavc-b1l4-vocab-embed\" id=\"pavc-b1l4-vocab-embed-1\">\n<style>\n.pavc-b1l4-vocab-embed {\n  --pv4-oxblood: #7b2d26;\n  --pv4-oxblood-dark: #5e211c;\n  --pv4-mustard: #c9922b;\n  --pv4-sage: #7c8b6f;\n  --pv4-bone: #f7f1e6;\n  --pv4-ink: #2c2620;\n  --pv4-line: #e4d9c4;\n  font-family: 'Work Sans', -apple-system, sans-serif;\n  color: var(--pv4-ink);\n  background: #fff;\n  max-width: 760px;\n  margin: 0 auto;\n  padding: 8px 4px 24px;\n  line-height: 1.6;\n}\n.pavc-b1l4-vocab-embed * { box-sizing: border-box; }\n.pavc-b1l4-vocab-embed h1,\n.pavc-b1l4-vocab-embed h2,\n.pavc-b1l4-vocab-embed h3 {\n  font-family: 'Bitter', Georgia, serif;\n  color: var(--pv4-oxblood-dark);\n  margin: 0 0 8px;\n}\n.pavc-b1l4-vocab-embed .pv4-support-note {\n  font-size: 0.85rem;\n  color: var(--pv4-sage);\n  border-bottom: 1px solid var(--pv4-line);\n  padding-bottom: 12px;\n  margin: 0 0 16px;\n}\n.pavc-b1l4-vocab-embed .pv4-lede {\n  margin: 0 0 16px;\n  padding: 14px 16px;\n  background: var(--pv4-bone);\n  border-left: 4px solid var(--pv4-mustard);\n  border-radius: 4px;\n  font-size: 0.98rem;\n}\n.pavc-b1l4-vocab-embed .pv4-lede b { color: var(--pv4-oxblood-dark); }\n\n.pavc-b1l4-vocab-embed .pv4-lang-toggle {\n  display: flex;\n  align-items: center;\n  gap: 8px;\n  margin: 0 0 24px;\n  flex-wrap: wrap;\n}\n.pavc-b1l4-vocab-embed .pv4-lang-label {\n  font-family: 'IBM Plex Mono', monospace;\n  font-size: 0.75rem;\n  color: var(--pv4-sage);\n  letter-spacing: 0.06em;\n}\n.pavc-b1l4-vocab-embed .pv4-lang-btn {\n  font-family: 'Work Sans', sans-serif;\n  font-size: 0.85rem;\n  border: 1px solid var(--pv4-oxblood);\n  color: var(--pv4-oxblood);\n  background: #fff;\n  padding: 5px 14px;\n  border-radius: 20px;\n  cursor: pointer;\n}\n.pavc-b1l4-vocab-embed .pv4-lang-btn:hover { background: var(--pv4-bone); }\n.pavc-b1l4-vocab-embed .pv4-lang-btn.pv4-lang-active { background: var(--pv4-oxblood); color: #fff; }\n\n.pavc-b1l4-vocab-embed .pv4-tr { display: none; }\n.pavc-b1l4-vocab-embed.pv4-lang-en .pv4-tr-en { display: inline; }\n.pavc-b1l4-vocab-embed.pv4-lang-ja .pv4-tr-ja { display: inline; }\n.pavc-b1l4-vocab-embed.pv4-lang-ko .pv4-tr-ko { display: inline; }\n\n.pavc-b1l4-vocab-embed .pv4-sec-eyebrow {\n  display: inline-block;\n  font-family: 'IBM Plex Mono', monospace;\n  font-size: 0.75rem;\n  letter-spacing: 0.08em;\n  color: #fff;\n  background: var(--pv4-oxblood);\n  padding: 3px 9px;\n  border-radius: 3px;\n  margin: 32px 0 10px;\n}\n.pavc-b1l4-vocab-embed .pv4-word-card {\n  border: 1px solid var(--pv4-line);\n  border-radius: 8px;\n  padding: 12px 14px;\n  margin-bottom: 10px;\n  background: #fff;\n}\n.pavc-b1l4-vocab-embed .pv4-word-top {\n  display: flex;\n  align-items: baseline;\n  gap: 10px;\n  flex-wrap: wrap;\n}\n.pavc-b1l4-vocab-embed .pv4-num {\n  font-family: 'IBM Plex Mono', monospace;\n  font-size: 0.75rem;\n  color: var(--pv4-mustard);\n  min-width: 22px;\n}\n.pavc-b1l4-vocab-embed .pv4-hanzi { font-size: 1.35rem; font-weight: 600; }\n.pavc-b1l4-vocab-embed ruby {\n  ruby-position: over;\n  margin-right: 2px;\n  color: var(--pv4-ink) !important;\n  font-size: inherit !important;\n}\n.pavc-b1l4-vocab-embed .rb {\n  color: var(--pv4-ink) !important;\n  font-size: inherit !important;\n}\n.pavc-b1l4-vocab-embed rt {\n  font-family: 'IBM Plex Mono', monospace;\n  font-size: 0.6rem !important;\n  color: var(--pv4-sage) !important;\n  font-weight: 400;\n}\n.pavc-b1l4-vocab-embed rt.hidden { display: none; }\n.pavc-b1l4-vocab-embed rt.mouseover { opacity: 0; }\n.pavc-b1l4-vocab-embed rt.mouseover:hover { opacity: 1; }\n.pavc-b1l4-vocab-embed .pv4-meaning { font-style: italic; color: #6b5f52; font-size: 0.92rem; }\n.pavc-b1l4-vocab-embed .pv4-speaker {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  flex: 0 0 26px;\n  width: 26px;\n  height: 26px;\n  padding: 0;\n  border: none;\n  background: var(--pv4-bone);\n  color: var(--pv4-oxblood);\n  border-radius: 50%;\n  cursor: pointer;\n  margin-left: auto;\n}\n.pavc-b1l4-vocab-embed .pv4-speaker:hover { background: var(--pv4-mustard); color: #fff; }\n.pavc-b1l4-vocab-embed .pv4-example {\n  margin-top: 8px;\n  padding-top: 8px;\n  border-top: 1px dashed var(--pv4-line);\n  font-size: 0.95rem;\n}\n.pavc-b1l4-vocab-embed .pv4-example .pv4-sent-word { display: inline-flex; }\n.pavc-b1l4-vocab-embed .pv4-example .pv4-punct { margin-right: 2px; }\n.pavc-b1l4-vocab-embed .pv4-example .pv4-en {\n  display: block;\n  color: #6b5f52;\n  font-size: 0.85rem;\n  margin-top: 4px;\n}\n.pavc-b1l4-vocab-embed .pv4-dialogue-note { font-size: 0.85rem; color: #6b5f52; margin: 0 0 10px; }\n.pavc-b1l4-vocab-embed .pv4-dialogue {\n  background: var(--pv4-bone);\n  border-radius: 8px;\n  padding: 16px 18px;\n  margin-top: 8px;\n}\n.pavc-b1l4-vocab-embed .pv4-line {\n  display: flex;\n  gap: 8px;\n  margin-bottom: 12px;\n  align-items: flex-start;\n  flex-wrap: wrap;\n}\n.pavc-b1l4-vocab-embed .pv4-speaker-tag {\n  font-family: 'IBM Plex Mono', monospace;\n  font-size: 0.72rem;\n  color: var(--pv4-oxblood);\n  min-width: 46px;\n  padding-top: 3px;\n}\n.pavc-b1l4-vocab-embed .pv4-line-body { flex: 1; min-width: 200px; }\n.pavc-b1l4-vocab-embed .pv4-line-en { display: block; color: #6b5f52; font-size: 0.82rem; margin-top: 2px; }\n\n.pavc-b1l4-vocab-embed .pv4-fc-hint { font-size: 0.85rem; color: #6b5f52; margin: 0 0 12px; text-align: center; }\n.pavc-b1l4-vocab-embed .pv4-flashcard-wrap { max-width: 320px; margin: 0 auto 14px; perspective: 1200px; }\n.pavc-b1l4-vocab-embed .pv4-flashcard {\n  position: relative;\n  width: 100%;\n  height: 230px;\n  cursor: pointer;\n  transform-style: preserve-3d;\n  transition: transform 0.5s;\n}\n.pavc-b1l4-vocab-embed .pv4-flashcard.pv4-flipped { transform: rotateY(180deg); }\n.pavc-b1l4-vocab-embed .pv4-fc-face {\n  position: absolute;\n  inset: 0;\n  backface-visibility: hidden;\n  border: 1px solid var(--pv4-line);\n  border-radius: 12px;\n  display: flex;\n  flex-direction: column;\n  align-items: center;\n  justify-content: center;\n  padding: 16px;\n  background: #fff;\n  text-align: center;\n}\n.pavc-b1l4-vocab-embed .pv4-fc-back { transform: rotateY(180deg); background: var(--pv4-bone); }\n.pavc-b1l4-vocab-embed .pv4-fc-front .pv4-hanzi { font-size: 4rem !important; }\n.pavc-b1l4-vocab-embed .pv4-flashcard-wrap rt { font-size: 1.2rem !important; }\n.pavc-b1l4-vocab-embed .pv4-fc-back .pv4-meaning { font-style: italic; color: var(--pv4-oxblood-dark); font-size: 1.725rem; }\n.pavc-b1l4-vocab-embed .pv4-flashcard-controls { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 28px; }\n.pavc-b1l4-vocab-embed .pv4-game-btn {\n  font-family: 'Work Sans', sans-serif;\n  font-size: 0.85rem;\n  border: 1px solid var(--pv4-oxblood);\n  color: var(--pv4-oxblood);\n  background: #fff;\n  padding: 6px 14px;\n  border-radius: 20px;\n  cursor: pointer;\n}\n.pavc-b1l4-vocab-embed .pv4-game-btn:hover { background: var(--pv4-oxblood); color: #fff; }\n.pavc-b1l4-vocab-embed .pv4-game-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }\n.pavc-b1l4-vocab-embed .pv4-game-status { font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; color: var(--pv4-sage); }\n.pavc-b1l4-vocab-embed .pv4-game-board { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }\n.pavc-b1l4-vocab-embed .pv4-game-col { display: flex; flex-direction: column; gap: 8px; }\n.pavc-b1l4-vocab-embed .pv4-tile {\n  font-family: 'Work Sans', sans-serif;\n  text-align: left;\n  border: 1px solid var(--pv4-line);\n  background: #fff;\n  border-radius: 6px;\n  padding: 10px 12px;\n  cursor: pointer;\n  font-size: 0.95rem;\n  color: var(--pv4-ink);\n  transition: background 0.15s, border-color 0.15s, transform 0.1s;\n}\n.pavc-b1l4-vocab-embed .pv4-tile .pv4-tile-py {\n  display: block;\n  font-family: 'IBM Plex Mono', monospace;\n  font-size: 0.7rem;\n  color: var(--pv4-sage);\n  margin-top: 2px;\n}\n.pavc-b1l4-vocab-embed .pv4-tile:hover:not(.pv4-matched):not(.pv4-selected) { border-color: var(--pv4-mustard); }\n.pavc-b1l4-vocab-embed .pv4-tile.pv4-selected { border-color: var(--pv4-oxblood); background: var(--pv4-bone); }\n.pavc-b1l4-vocab-embed .pv4-tile.pv4-matched { border-color: var(--pv4-sage); background: #eef2e9; color: var(--pv4-sage); cursor: default; }\n.pavc-b1l4-vocab-embed .pv4-tile.pv4-wrong { border-color: #b5453d; background: #fbeceb; animation: pv4-shake 0.3s; }\n@keyframes pv4-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }\n.pavc-b1l4-vocab-embed .pv4-game-win { text-align: center; padding: 14px; font-family: 'Bitter', serif; color: var(--pv4-oxblood-dark); display: none; }\n.pavc-b1l4-vocab-embed .pv4-game-win.pv4-show { display: block; }\n@media (max-width: 480px) { .pavc-b1l4-vocab-embed .pv4-game-board { grid-template-columns: 1fr; } }\n.pavc-b1l4-vocab-embed .pv4-quiz { background: #fff; border: 1px solid var(--pv4-line); border-radius: 12px; padding: 20px 22px; margin-top: 8px; }\n.pavc-b1l4-vocab-embed .pv4-quiz-progress { font-size: 0.82rem; color: var(--pv4-sage); margin: 0 0 10px; font-family: 'IBM Plex Mono', monospace; }\n.pavc-b1l4-vocab-embed .pv4-quiz-prompt { font-size: 1.1rem; margin: 0 0 14px; }\n.pavc-b1l4-vocab-embed .pv4-quiz-options { display: flex; flex-direction: column; gap: 8px; margin: 0 0 10px; }\n.pavc-b1l4-vocab-embed .pv4-quiz-opt { text-align: left; border: 1px solid var(--pv4-line); background: var(--pv4-bone); border-radius: 8px; padding: 10px 14px; cursor: pointer; font-size: 0.98rem; color: var(--pv4-ink); }\n.pavc-b1l4-vocab-embed .pv4-quiz-opt:hover { background: #f0e6d2; }\n.pavc-b1l4-vocab-embed .pv4-quiz-opt.correct { background: #e3efdd; border-color: #7fae6d; color: #3d5c34; }\n.pavc-b1l4-vocab-embed .pv4-quiz-opt.incorrect { background: #f5e0dc; border-color: var(--pv4-oxblood); color: var(--pv4-oxblood-dark); }\n.pavc-b1l4-vocab-embed .pv4-quiz-opt[disabled] { cursor: default; }\n.pavc-b1l4-vocab-embed .pv4-quiz-input-row { display: flex; gap: 8px; margin: 0 0 10px; flex-wrap: wrap; }\n.pavc-b1l4-vocab-embed .pv4-quiz-input { flex: 1 1 200px; border: 1px solid var(--pv4-line); border-radius: 8px; padding: 9px 12px; font-size: 0.98rem; }\n.pavc-b1l4-vocab-embed .pv4-quiz-submit, .pavc-b1l4-vocab-embed .pv4-quiz-next, .pavc-b1l4-vocab-embed .pv4-quiz-retake { border: none; background: var(--pv4-oxblood); color: #fff; border-radius: 20px; padding: 8px 18px; font-size: 0.9rem; cursor: pointer; }\n.pavc-b1l4-vocab-embed .pv4-quiz-submit:hover, .pavc-b1l4-vocab-embed .pv4-quiz-next:hover, .pavc-b1l4-vocab-embed .pv4-quiz-retake:hover { background: var(--pv4-oxblood-dark); }\n.pavc-b1l4-vocab-embed .pv4-quiz-feedback { font-size: 0.95rem; margin: 0 0 10px; min-height: 1.4em; }\n.pavc-b1l4-vocab-embed .pv4-quiz-feedback.correct { color: #3d5c34; }\n.pavc-b1l4-vocab-embed .pv4-quiz-feedback.incorrect { color: var(--pv4-oxblood-dark); }\n.pavc-b1l4-vocab-embed .pv4-quiz-score { text-align: center; }\n.pavc-b1l4-vocab-embed .pv4-quiz-score .pv4-quiz-score-num { font-size: 2.2rem; font-weight: 700; color: var(--pv4-oxblood-dark); display: block; margin-bottom: 8px; font-family: 'Bitter', serif; }\n<\/style>\n\n<p class=\"pv4-support-note\"><em>A note before you start: I&#8217;d love for you to support the official textbook \u2014 this page is only meant as a review tool for people who already own a copy, not a replacement for it.<\/em><\/p>\n\n<p class=\"pv4-lede\">\n<b><span class=\"lang-zh-TW\">\u5be6\u7528\u8996\u807d\u83ef\u8a9e<\/span><span class=\"lang-zh-CN\">\u5b9e\u7528\u89c6\u542c\u534e\u8bed<\/span> Book 1 \u00b7 Lesson 4\u300c<span class=\"lang-zh-TW\">\u9019\u679d\u7b46\u591a\u5c11\u9322<\/span><span class=\"lang-zh-CN\">\u8fd9\u679d\u7b14\u591a\u5c11\u94b1<\/span>\u300dHow Much Is This Pen?<\/b> \u2014 this lesson&#8217;s vocabulary with pinyin, meaning, and an example sentence for every word, segmented word by word so you can see how each piece works on its own.\n<\/p>\n\n<div class=\"pv4-lang-toggle\">\n  <span class=\"pv4-lang-label\">TRANSLATION<\/span>\n  <button type=\"button\" class=\"pv4-lang-btn pv4-lang-active\" data-lang=\"en\">EN<\/button>\n  <button type=\"button\" class=\"pv4-lang-btn\" data-lang=\"ja\">\u65e5\u672c\u8a9e<\/button>\n  <button type=\"button\" class=\"pv4-lang-btn\" data-lang=\"ko\">\ud55c\uad6d\uc5b4<\/button>\n<\/div>\n\n<div class=\"pv4-sec-eyebrow\">01 \u2014 NUMBERS 1\u201310<\/div>\n<div id=\"pv4-word-list-1\"><\/div>\n\n<div class=\"pv4-sec-eyebrow\">02 \u2014 MONEY &amp; PRICES<\/div>\n<div id=\"pv4-word-list-2\"><\/div>\n\n<div class=\"pv4-sec-eyebrow\">03 \u2014 MEASURE WORDS<\/div>\n<div id=\"pv4-word-list-3\"><\/div>\n\n<div class=\"pv4-sec-eyebrow\">04 \u2014 OTHER WORDS<\/div>\n<div id=\"pv4-word-list-4\"><\/div>\n\n<div class=\"pv4-sec-eyebrow\">05 \u2014 PUT IT TOGETHER<\/div>\n<p class=\"pv4-dialogue-note\"><em>Note: this dialogue is not from the textbook \u2014 it&#8217;s a short conversation I made up using this lesson&#8217;s vocabulary (plus a bit of Lessons 1\u20133&#8217;s, for review) so you can see the words used together. For the actual Lesson 4 dialogue, I&#8217;d recommend picking up a copy of the textbook itself.<\/em><\/p>\n<div class=\"pv4-dialogue\" id=\"pv4-dialogue\"><\/div>\n\n<div class=\"pv4-sec-eyebrow\">06 \u2014 FLASHCARDS<\/div>\n<p class=\"pv4-fc-hint\">Tap the card to flip it, then use the arrows to move through the deck.<\/p>\n<div class=\"pv4-flashcard-wrap\">\n  <div class=\"pv4-flashcard\" id=\"pv4-flashcard\">\n    <div class=\"pv4-fc-face pv4-fc-front\" id=\"pv4-fc-front\"><\/div>\n    <div class=\"pv4-fc-face pv4-fc-back\" id=\"pv4-fc-back\"><\/div>\n  <\/div>\n<\/div>\n<div class=\"pv4-flashcard-controls\">\n  <button class=\"pv4-game-btn\" id=\"pv4-fc-prev\">\u2039 Prev<\/button>\n  <span class=\"pv4-game-status\" id=\"pv4-fc-progress\">1 \/ 30<\/span>\n  <button class=\"pv4-game-btn\" id=\"pv4-fc-next\">Next \u203a<\/button>\n<\/div>\n\n<div class=\"pv4-sec-eyebrow\">07 \u2014 MATCH IT<\/div>\n<p style=\"font-size:0.9rem;color:#6b5f52;margin:0 0 10px;\">Tap a Chinese word, then tap the meaning that matches it (in whichever translation language is selected above). Get all 8 pairs to finish the round.<\/p>\n<div class=\"pv4-game-bar\">\n  <button class=\"pv4-game-btn\" id=\"pv4-game-new\">New Round<\/button>\n  <span class=\"pv4-game-status\" id=\"pv4-game-status\">0 \/ 8 matched<\/span>\n<\/div>\n<div class=\"pv4-game-board\">\n  <div class=\"pv4-game-col\" id=\"pv4-game-col-zh\"><\/div>\n  <div class=\"pv4-game-col\" id=\"pv4-game-col-en\"><\/div>\n<\/div>\n<div class=\"pv4-game-win\" id=\"pv4-game-win\">\ud83c\udf89 All matched! Nice work.<\/div>\n\n<div class=\"pv4-sec-eyebrow\">08 \u2014 VOCABULARY QUIZ<\/div>\n<p style=\"font-size:0.9rem;color:#6b5f52;margin:0 0 10px;\">16 questions covering this lesson&#8217;s vocabulary \u2014 a mix of multiple choice and type-the-pinyin. Questions pick up whichever translation language is selected above; switching mid-question applies from the next question onward.<\/p>\n<div class=\"pv4-quiz\" id=\"pv4-quiz\"><\/div>\n\n<script>\n(function () {\n  var root = document.getElementById('pavc-b1l4-vocab-embed-1');\n  if (!root) return;\n\n  var SPEAKER_SVG = '<svg viewBox=\"0 0 24 24\" width=\"12\" height=\"12\" fill=\"currentColor\" aria-hidden=\"true\">' +\n    '<path d=\"M7 4.5v15l13-7.5z\"><\/path>' +\n    '<\/svg>';\n\n  function W(t, s, p) { return { t: t, s: s, pt: p, ps: p }; }\n  function WD(t, s, pt, ps) { return { t: t, s: s, pt: pt, ps: ps }; }\n  function TR(en, ja, ko) { return { en: en, ja: ja, ko: ko }; }\n\n  var GROUPS = {\n    'pv4-word-list-1': [\n      { t: '\u4e00', s: '\u4e00', p: 'y\u012b', meaning: TR('one', '\u4e00', '\ud558\ub098; \uc77c'),\n        ex: [W('\u4e00','\u4e00','Y\u00ec'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), W('\u4e00','\u4e00','y\u00ec'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('One pen is one dollar.', '\u30da\u30f3\u4e00\u672c\u306f\u4e00\u5143\u3067\u3059\u3002', '\ud39c \ud55c \uc790\ub8e8\ub294 1\ub2ec\ub7ec\uc608\uc694.') },\n      { t: '\u4e8c', s: '\u4e8c', p: '\u00e8r', meaning: TR('two', '\u4e8c', '\ub458; \uc774'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), W('\u4e8c','\u4e8c','\u00e8r'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('This book is twenty dollars.', '\u3053\u306e\u672c\u306f\u4e8c\u5341\u5143\u3067\u3059\u3002', '\uc774 \ucc45\uc740 20\ub2ec\ub7ec\uc608\uc694.') },\n      { t: '\u4e09', s: '\u4e09', p: 's\u0101n', meaning: TR('three', '\u4e09', '\uc14b; \uc0bc'),\n        ex: [W('\u4e00','\u4e00','Y\u00ec'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), W('\u4e09','\u4e09','s\u0101n'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('One pen is three dollars.', '\u30da\u30f3\u4e00\u672c\u306f\u4e09\u5143\u3067\u3059\u3002', '\ud39c \ud55c \uc790\ub8e8\ub294 3\ub2ec\ub7ec\uc608\uc694.') },\n      { t: '\u56db', s: '\u56db', p: 's\u00ec', meaning: TR('four', '\u56db', '\ub137; \uc0ac'),\n        ex: [W('\u4e00','\u4e00','Y\u00ec'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), W('\u56db','\u56db','s\u00ec'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('One book is forty dollars.', '\u672c\u4e00\u518a\u306f\u56db\u5341\u5143\u3067\u3059\u3002', '\ucc45 \ud55c \uad8c\uc740 40\ub2ec\ub7ec\uc608\uc694.') },\n      { t: '\u4e94', s: '\u4e94', p: 'w\u01d4', meaning: TR('five', '\u4e94', '\ub2e4\uc12f; \uc624'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u500b','\u4e2a','ge'), W('\u6771\u897f','\u4e1c\u897f','d\u014dngxi'), W('\u4e94','\u4e94','w\u01d4'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('This thing is five dollars.', '\u3053\u306e\u7269\u306f\u4e94\u5143\u3067\u3059\u3002', '\uc774 \ubb3c\uac74\uc740 5\ub2ec\ub7ec\uc608\uc694.') },\n      { t: '\u516d', s: '\u516d', p: 'li\u00f9', meaning: TR('six', '\u516d', '\uc5ec\uc12f; \uc721'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u6709','\u6709','y\u01d2u'), W('\u516d','\u516d','li\u00f9'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), '\u3002'],\n        exEn: TR('I have six books.', '\u79c1\u306f\u672c\u3092\u516d\u518a\u6301\u3063\u3066\u3044\u307e\u3059\u3002', '\uc800\ub294 \ucc45\uc744 \uc5ec\uc12f \uad8c \uac00\uc9c0\uace0 \uc788\uc5b4\uc694.') },\n      { t: '\u4e03', s: '\u4e03', p: 'q\u012b', meaning: TR('seven', '\u4e03', '\uc77c\uacf1; \uce60'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u8cb7','\u4e70','m\u01cei'), W('\u4e03','\u4e03','q\u012b'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), '\u3002'],\n        exEn: TR('I want to buy seven pens.', '\u79c1\u306f\u30da\u30f3\u3092\u4e03\u672c\u8cb7\u3044\u305f\u3044\u3067\u3059\u3002', '\uc800\ub294 \ud39c\uc744 \uc77c\uacf1 \uc790\ub8e8 \uc0ac\uace0 \uc2f6\uc5b4\uc694.') },\n      { t: '\u516b', s: '\u516b', p: 'b\u0101', meaning: TR('eight', '\u516b', '\uc5ec\ub35f; \ud314'),\n        ex: [W('\u4ed6','\u4ed6','T\u0101'), W('\u8cb7','\u4e70','m\u01cei'), W('\u516b','\u516b','b\u0101'), W('\u500b','\u4e2a','ge'), W('\u6771\u897f','\u4e1c\u897f','d\u014dngxi'), '\u3002'],\n        exEn: TR('He bought eight things.', '\u5f7c\u306f\u7269\u3092\u516b\u3064\u8cb7\u3044\u307e\u3057\u305f\u3002', '\uadf8\ub294 \ubb3c\uac74\uc744 \uc5ec\ub35f \uac1c \uc0c0\uc5b4\uc694.') },\n      { t: '\u4e5d', s: '\u4e5d', p: 'ji\u01d4', meaning: TR('nine', '\u4e5d', '\uc544\ud649; \uad6c'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u4e5d','\u4e5d','ji\u01d4'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), '\u3002'],\n        exEn: TR('I want nine pens.', '\u79c1\u306f\u30da\u30f3\u304c\u4e5d\u672c\u6b32\u3057\u3044\u3067\u3059\u3002', '\uc800\ub294 \ud39c \uc544\ud649 \uc790\ub8e8\ub97c \uc6d0\ud574\uc694.') },\n      { t: '\u5341', s: '\u5341', p: 'sh\u00ed', meaning: TR('ten', '\u5341', '\uc5f4; \uc2ed'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('This book is ten dollars.', '\u3053\u306e\u672c\u306f\u5341\u5143\u3067\u3059\u3002', '\uc774 \ucc45\uc740 10\ub2ec\ub7ec\uc608\uc694.') }\n    ],\n    'pv4-word-list-2': [\n      { t: '\u591a\u5c11', s: '\u591a\u5c11', p: 'du\u014dsh\u01ceo', meaning: TR('how much; how many', '\u3044\u304f\u3064;\u3044\u304f\u3089', '\uc5bc\ub9c8\ub098; \uba87'),\n        ex: [W('\u4f60','\u4f60','N\u01d0'), W('\u8981','\u8981','y\u00e0o'), W('\u591a\u5c11','\u591a\u5c11','du\u014dsh\u01ceo'), '\uff1f'],\n        exEn: TR('How many do you want?', '\u3044\u304f\u3064\u6b32\u3057\u3044\u3067\u3059\u304b\u3002', '\uc5bc\ub9c8\ub098 \uc6d0\ud574\uc694?') },\n      { t: '\u9322', s: '\u94b1', p: 'qi\u00e1n', meaning: TR('money', '\u304a\u91d1', '\ub3c8'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), W('\u591a\u5c11','\u591a\u5c11','du\u014dsh\u01ceo'), WD('\u9322','\u94b1','qi\u00e1n','qi\u00e1n'), '\uff1f'],\n        exEn: TR('How much is this pen?', '\u3053\u306e\u30da\u30f3\u306f\u3044\u304f\u3089\u3067\u3059\u304b\u3002', '\uc774 \ud39c\uc740 \uc5bc\ub9c8\uc608\uc694?') },\n      { t: '\u584a', s: '\u5757', p: 'ku\u00e0i', meaning: TR('dollar (measure word for currency)', '\u5143(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ub2ec\ub7ec(\ud654\ud3d0 \ub2e8\uc704)'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), W('\u4e94','\u4e94','w\u01d4'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n        exEn: TR('This pen is five dollars.', '\u3053\u306e\u30da\u30f3\u306f\u4e94\u5143\u3067\u3059\u3002', '\uc774 \ud39c\uc740 5\ub2ec\ub7ec\uc608\uc694.') },\n      { t: '\u6bdb', s: '\u6bdb', p: 'm\u00e1o', meaning: TR('dime (1\/10 of a ku\u00e0i)', '\u89d2(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ub9c8\uc624(\ud654\ud3d0 \ub2e8\uc704)'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u500b','\u4e2a','ge'), W('\u4e94','\u4e94','w\u01d4'), W('\u6bdb','\u6bdb','m\u00e1o'), '\u3002'],\n        exEn: TR('This is fifty cents (five mao).', '\u3053\u308c\u306f\u4e94\u89d2\u3067\u3059\u3002', '\uc774\uac83\uc740 5\ub9c8\uc624\uc608\uc694.') },\n      { t: '\u5206', s: '\u5206', p: 'f\u0113n', meaning: TR('cent (1\/100 of a ku\u00e0i)', '\u5206(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ud380(\ud654\ud3d0 \ub2e8\uc704)'),\n        ex: [W('\u4e00','\u4e00','Y\u00ec'), W('\u6bdb','\u6bdb','m\u00e1o'), W('\u662f','\u662f','sh\u00ec'), W('\u5341','\u5341','sh\u00ed'), W('\u5206','\u5206','f\u0113n'), '\u3002'],\n        exEn: TR('One mao is ten fen.', '\u4e00\u89d2\u306f\u5341\u5206\u3067\u3059\u3002', '1\ub9c8\uc624\ub294 10\ud380\uc774\uc5d0\uc694.') },\n      { t: '\u96f6\u9322', s: '\u96f6\u94b1', p: 'l\u00edngqi\u00e1n', meaning: TR('small change', '\u5c0f\u92ad', '\uc794\ub3c8'),\n        ex: [W('\u6211','\u6211','W\u01d2'), WD('\u6c92','\u6ca1','m\u00e9i','m\u00e9i'), W('\u6709','\u6709','y\u01d2u'), WD('\u96f6\u9322','\u96f6\u94b1','l\u00edngqi\u00e1n','l\u00edngqi\u00e1n'), '\u3002'],\n        exEn: TR(\"I don't have change.\", '\u79c1\u306f\u5c0f\u92ad\u3092\u6301\u3063\u3066\u3044\u307e\u305b\u3093\u3002', '\uc800\ub294 \uc794\ub3c8\uc774 \uc5c6\uc5b4\uc694.') },\n      { t: '\u627e\u9322', s: '\u627e\u94b1', p: 'zh\u01ceoqi\u00e1n', meaning: TR('to give change', '\u304a\u91e3\u308a\u3092\u3042\u3052\u308b', '\uac70\uc2a4\ub984\ub3c8\uc744 \uc8fc\ub2e4'),\n        ex: [W('\u8acb','\u8bf7','Q\u01d0ng'), WD('\u627e\u9322','\u627e\u94b1','zh\u01ceoqi\u00e1n','zh\u01ceoqi\u00e1n'), '\u3002'],\n        exEn: TR('Please give change.', '\u304a\u91e3\u308a\u3092\u304f\u3060\u3055\u3044\u3002', '\uac70\uc2a4\ub984\ub3c8 \uc8fc\uc138\uc694.') },\n      { t: '\u4e00\u5171', s: '\u4e00\u5171', p: 'y\u00edg\u00f2ng', meaning: TR('altogether; in total', '\u5168\u90e8\u3067;\u5408\u8a08', '\uc804\ubd80; \ud569\uacc4'),\n        ex: [W('\u4e00\u5171','\u4e00\u5171','Y\u00edg\u00f2ng'), W('\u591a\u5c11','\u591a\u5c11','du\u014dsh\u01ceo'), WD('\u9322','\u94b1','qi\u00e1n','qi\u00e1n'), '\uff1f'],\n        exEn: TR('How much altogether?', '\u5168\u90e8\u3067\u3044\u304f\u3089\u3067\u3059\u304b\u3002', '\uc804\ubd80 \uc5bc\ub9c8\uc608\uc694?') }\n    ],\n    'pv4-word-list-3': [\n      { t: '\u500b', s: '\u4e2a', p: 'ge', meaning: TR('general measure word', '\u4e00\u822c\u7684\u306a\u91cf\u8a5e', '\uc77c\ubc18 \uc591\uc0ac'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u4e00','\u4e00','y\u00ed'), WD('\u500b','\u4e2a','ge','ge'), W('\u6771\u897f','\u4e1c\u897f','d\u014dngxi'), '\u3002'],\n        exEn: TR('I want one thing.', '\u79c1\u306f\u7269\u3092\u4e00\u3064\u6b32\u3057\u3044\u3067\u3059\u3002', '\uc800\ub294 \ubb3c\uac74 \ud558\ub098\ub97c \uc6d0\ud574\uc694.') },\n      { t: '\u679d', s: '\u679d', p: 'zh\u012b', meaning: TR('measure word for pens', '\u30da\u30f3\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\ud39c\uc744 \uc138\ub294 \uc591\uc0ac'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u8cb7','\u4e70','m\u01cei'), W('\u4e09','\u4e09','s\u0101n'), W('\u679d','\u679d','zh\u012b'), W('\u7b46','\u7b14','b\u01d0'), '\u3002'],\n        exEn: TR('I want to buy three pens.', '\u79c1\u306f\u30da\u30f3\u3092\u4e09\u672c\u8cb7\u3044\u305f\u3044\u3067\u3059\u3002', '\uc800\ub294 \ud39c \uc138 \uc790\ub8e8\ub97c \uc0ac\uace0 \uc2f6\uc5b4\uc694.') },\n      { t: '\u676f', s: '\u676f', p: 'b\u0113i', meaning: TR('cup; measure word for cup of', '\u676f\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\uc794\uc744 \uc138\ub294 \uc591\uc0ac'),\n        ex: [W('\u4ed6','\u4ed6','T\u0101'), W('\u8981','\u8981','y\u00e0o'), W('\u4e00','\u4e00','y\u00ec'), W('\u676f','\u676f','b\u0113i'), '\u3002'],\n        exEn: TR('He wants one cup.', '\u5f7c\u306f\u4e00\u676f\u6b32\u3057\u3044\u3067\u3059\u3002', '\uadf8\ub294 \ud55c \uc794 \uc6d0\ud574\uc694.') },\n      { t: '\u4f4d', s: '\u4f4d', p: 'w\u00e8i', meaning: TR('polite measure word for people', '\u4eba\u3092\u6570\u3048\u308b\u4e01\u5be7\u306a\u91cf\u8a5e', '\uc0ac\ub78c\uc744 \uc138\ub294 \uc874\uce6d \uc591\uc0ac'),\n        ex: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u4f4d','\u4f4d','w\u00e8i'), W('\u662f','\u662f','sh\u00ec'), W('\u738b','\u738b','W\u00e1ng'), W('\u5148\u751f','\u5148\u751f','xi\u0101nsh\u0113ng'), '\u3002'],\n        exEn: TR('This person is Mr. Wang.', '\u3053\u3061\u3089\u306f\u738b\u3055\u3093\u3067\u3059\u3002', '\uc774\ubd84\uc740 \uc655 \uc120\uc0dd\ub2d8\uc785\ub2c8\ub2e4.') },\n      { t: '\u672c', s: '\u672c', p: 'b\u011bn', meaning: TR('measure word for books', '\u672c\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\ucc45\uc744 \uc138\ub294 \uc591\uc0ac'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u6709','\u6709','y\u01d2u'), W('\u4e94','\u4e94','w\u01d4'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), '\u3002'],\n        exEn: TR('I have five books.', '\u79c1\u306f\u672c\u3092\u4e94\u518a\u6301\u3063\u3066\u3044\u307e\u3059\u3002', '\uc800\ub294 \ucc45\uc744 \ub2e4\uc12f \uad8c \uac00\uc9c0\uace0 \uc788\uc5b4\uc694.') },\n      { t: '\u7a2e', s: '\u79cd', p: 'zh\u01d2ng', meaning: TR('kind; type', '\u7a2e\u985e', '\uc885\ub958'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u9019','\u8fd9','zh\u00e8'), WD('\u7a2e','\u79cd','zh\u01d2ng','zh\u01d2ng'), W('\u7b46','\u7b14','b\u01d0'), '\u3002'],\n        exEn: TR('I want this kind of pen.', '\u79c1\u306f\u3053\u306e\u7a2e\u985e\u306e\u30da\u30f3\u304c\u6b32\u3057\u3044\u3067\u3059\u3002', '\uc800\ub294 \uc774\ub7f0 \uc885\ub958\uc758 \ud39c\uc744 \uc6d0\ud574\uc694.') },\n      { t: '\u534a', s: '\u534a', p: 'b\u00e0n', meaning: TR('half', '\u534a\u5206', '\ubc18'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u534a','\u534a','b\u00e0n'), WD('\u500b','\u4e2a','ge','ge'), '\u3002'],\n        exEn: TR('I want half of one.', '\u79c1\u306f\u534a\u5206\u6b32\u3057\u3044\u3067\u3059\u3002', '\uc800\ub294 \ubc18\uc744 \uc6d0\ud574\uc694.') }\n    ],\n    'pv4-word-list-4': [\n      { t: '\u5e7e', s: '\u51e0', p: 'j\u01d0', meaning: TR('how many', '\u3044\u304f\u3064', '\uba87 \uac1c'),\n        ex: [W('\u4f60','\u4f60','N\u01d0'), W('\u8981','\u8981','y\u00e0o'), WD('\u5e7e','\u51e0','j\u01d0','j\u01d0'), WD('\u500b','\u4e2a','ge','ge'), '\uff1f'],\n        exEn: TR('How many do you want?', '\u3044\u304f\u3064\u6b32\u3057\u3044\u3067\u3059\u304b\u3002', '\uba87 \uac1c \uc6d0\ud574\uc694?') },\n      { t: '\u5169', s: '\u4e24', p: 'li\u01ceng', meaning: TR('two (before measure words)', '\u4e8c\u3064(\u91cf\u8a5e\u306e\u524d)', '\ub458(\uc591\uc0ac \uc55e)'),\n        ex: [W('\u6211','\u6211','W\u01d2'), W('\u8981','\u8981','y\u00e0o'), WD('\u5169','\u4e24','li\u01ceng','li\u01ceng'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), '\u3002'],\n        exEn: TR('I want two books.', '\u79c1\u306f\u672c\u3092\u4e8c\u518a\u6b32\u3057\u3044\u3067\u3059\u3002', '\uc800\ub294 \ucc45\uc744 \ub450 \uad8c \uc6d0\ud574\uc694.') },\n      { t: '\u7d66', s: '\u7ed9', p: 'g\u011bi', meaning: TR('to give; for', '\u3042\u3052\u308b;\u301c\u306b', '\uc8fc\ub2e4; ~\uc5d0\uac8c'),\n        ex: [W('\u8acb','\u8bf7','Q\u01d0ng'), WD('\u7d66','\u7ed9','g\u011bi','g\u011bi'), W('\u6211','\u6211','w\u01d2'), W('\u7b46','\u7b14','b\u01d0'), '\u3002'],\n        exEn: TR('Please give me a pen.', '\u30da\u30f3\u3092\u304f\u3060\u3055\u3044\u3002', '\ud39c\uc744 \uc8fc\uc138\uc694.') },\n      { t: '\u8acb', s: '\u8bf7', p: 'q\u01d0ng', meaning: TR('please; to invite', '\u3069\u3046\u305e;\u62db\u5f85\u3059\u308b', '\ubd80\ub514; \ucd08\ub300\ud558\ub2e4'),\n        ex: [W('\u5148\u751f','\u5148\u751f','Xi\u0101nsh\u0113ng'), '\uff0c', WD('\u8acb','\u8bf7','q\u01d0ng','q\u01d0ng'), W('\u770b','\u770b','k\u00e0n'), '\u3002'],\n        exEn: TR('Sir, please look.', '\u5148\u751f\u3001\u3069\u3046\u305e\u3054\u89a7\u304f\u3060\u3055\u3044\u3002', '\uc120\uc0dd\ub2d8, \ubd10 \uc8fc\uc138\uc694.') },\n      { t: '\u90a3', s: '\u90a3', p: 'n\u00e0', meaning: TR('that', '\u3042\u308c', '\uc800\uac83'),\n        ex: [W('\u90a3','\u90a3','N\u00e0'), W('\u662f','\u662f','sh\u00ec'), W('\u6211','\u6211','w\u01d2'), W('\u7684','\u7684','de'), W('\u8eca','\u8f66','ch\u0113'), '\u3002'],\n        exEn: TR('That is my car.', '\u3042\u308c\u306f\u79c1\u306e\u8eca\u3067\u3059\u3002', '\uc800\uac83\uc740 \uc81c \ucc28\uc608\uc694.') }\n    ]\n  };\n\n  var DIALOGUE = [\n    { speakerT: '\u6797\u5c0f\u59d0', speakerS: '\u6797\u5c0f\u59d0',\n      tokens: [W('\u5148\u751f','\u5148\u751f','Xi\u0101nsh\u0113ng'), '\uff0c', W('\u9019','\u8fd9','zh\u00e8'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), W('\u591a\u5c11','\u591a\u5c11','du\u014dsh\u01ceo'), WD('\u9322','\u94b1','qi\u00e1n','qi\u00e1n'), '\uff1f'],\n      en: TR('Sir, how much is this book?', '\u3059\u307f\u307e\u305b\u3093\u3001\u3053\u306e\u672c\u306f\u3044\u304f\u3089\u3067\u3059\u304b\u3002', '\uc800\uae30\uc694, \uc774 \ucc45\uc740 \uc5bc\ub9c8\uc608\uc694?') },\n    { speakerT: '\u8001\u95c6', speakerS: '\u8001\u677f',\n      tokens: [W('\u9019','\u8fd9','Zh\u00e8'), W('\u672c','\u672c','b\u011bn'), W('\u66f8','\u4e66','sh\u016b'), W('\u4e09','\u4e09','s\u0101n'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n      en: TR('This book is thirty dollars.', '\u3053\u306e\u672c\u306f\u4e09\u5341\u5143\u3067\u3059\u3002', '\uc774 \ucc45\uc740 30\ub2ec\ub7ec\uc608\uc694.') },\n    { speakerT: '\u6797\u5c0f\u59d0', speakerS: '\u6797\u5c0f\u59d0',\n      tokens: [W('\u592a','\u592a','T\u00e0i'), W('\u8cb4','\u8d35','gu\u00ec'), W('\u4e86','\u4e86','le'), '\uff01', W('\u90a3','\u90a3','N\u00e0'), W('\u672c','\u672c','b\u011bn'), W('\u5462','\u5462','ne'), '\uff1f'],\n      en: TR(\"That's way too expensive! What about that one?\", '\u9ad8\u3059\u304e\u307e\u3059!\u3042\u306e\u672c\u306f?', '\ub108\ubb34 \ube44\uc2f8\uc694! \uc800 \ucc45\uc740\uc694?') },\n    { speakerT: '\u8001\u95c6', speakerS: '\u8001\u677f',\n      tokens: [W('\u90a3','\u90a3','N\u00e0'), W('\u672c','\u672c','b\u011bn'), W('\u4e8c','\u4e8c','\u00e8r'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n      en: TR('That one is twenty dollars.', '\u3042\u306e\u672c\u306f\u4e8c\u5341\u5143\u3067\u3059\u3002', '\uc800 \ucc45\uc740 20\ub2ec\ub7ec\uc608\uc694.') },\n    { speakerT: '\u6797\u5c0f\u59d0', speakerS: '\u6797\u5c0f\u59d0',\n      tokens: [W('\u597d','\u597d','H\u01ceo'), '\uff0c', W('\u6211','\u6211','w\u01d2'), W('\u8981','\u8981','y\u00e0o'), W('\u90a3','\u90a3','n\u00e0'), W('\u672c','\u672c','b\u011bn'), '\u3002', W('\u9019','\u8fd9','Zh\u00e8'), W('\u662f','\u662f','sh\u00ec'), W('\u4e94','\u4e94','w\u01d4'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\u3002'],\n      en: TR(\"Okay, I want that one. Here's fifty dollars.\", '\u306f\u3044\u3001\u3042\u306e\u672c\u3092\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u4e94\u5341\u5143\u3067\u3059\u3002', '\ub124, \uc800 \ucc45 \uc8fc\uc138\uc694. \uc774\uac74 50\ub2ec\ub7ec\uc608\uc694.') },\n    { speakerT: '\u8001\u95c6', speakerS: '\u8001\u677f',\n      tokens: [WD('\u627e','\u627e','Zh\u01ceo','zh\u01ceo'), W('\u60a8','\u60a8','n\u00edn'), W('\u4e8c','\u4e8c','\u00e8r'), W('\u5341','\u5341','sh\u00ed'), WD('\u584a','\u5757','ku\u00e0i','ku\u00e0i'), '\uff0c', WD('\u8b1d\u8b1d','\u8c22\u8c22','xi\u00e8xie','xi\u00e8xie'), '\uff01'],\n      en: TR(\"Here's your twenty dollars change, thank you!\", '\u304a\u91e3\u308a\u4e8c\u5341\u5143\u3067\u3059\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059!', '\uac70\uc2a4\ub984\ub3c8 20\ub2ec\ub7ec\uc785\ub2c8\ub2e4, \uac10\uc0ac\ud569\ub2c8\ub2e4!') },\n    { speakerT: '\u6797\u5c0f\u59d0', speakerS: '\u6797\u5c0f\u59d0',\n      tokens: [WD('\u8b1d\u8b1d','\u8c22\u8c22','Xi\u00e8xie','xi\u00e8xie'), '\uff01'],\n      en: TR('Thank you!', '\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059!', '\uac10\uc0ac\ud569\ub2c8\ub2e4!') }\n  ];\n\n  var ALL_WORDS = [];\n  Object.keys(GROUPS).forEach(function (k) {\n    GROUPS[k].forEach(function (w) { ALL_WORDS.push(w); });\n  });\n\n  function trSpans(tr) {\n    return '<span class=\"pv4-tr pv4-tr-en\">' + tr.en + '<\/span>' +\n           '<span class=\"pv4-tr pv4-tr-ja\">' + tr.ja + '<\/span>' +\n           '<span class=\"pv4-tr pv4-tr-ko\">' + tr.ko + '<\/span>';\n  }\n\n  function rubyWord(w) {\n    return '<span class=\"pv4-sent-word\">' +\n      '<ruby class=\"lang-zh-TW\"><span class=\"rb\">' + w.t + '<\/span><rt>' + w.pt + '<\/rt><\/ruby>' +\n      '<ruby class=\"lang-zh-CN\"><span class=\"rb\">' + w.s + '<\/span><rt>' + w.ps + '<\/rt><\/ruby>' +\n      '<\/span>';\n  }\n\n  function renderTokens(tokens) {\n    var html = '';\n    tokens.forEach(function (tok) {\n      if (typeof tok === 'string') {\n        html += '<span class=\"pv4-punct\">' + tok + '<\/span>';\n      } else {\n        html += rubyWord(tok);\n      }\n    });\n    return html;\n  }\n\n  function headwordRuby(t, s, pt, ps) {\n    return '<ruby class=\"lang-zh-TW\"><span class=\"rb\">' + t + '<\/span><rt>' + pt + '<\/rt><\/ruby>' +\n           '<ruby class=\"lang-zh-CN\"><span class=\"rb\">' + s + '<\/span><rt>' + ps + '<\/rt><\/ruby>';\n  }\n\n  var counter = 0;\n  Object.keys(GROUPS).forEach(function (containerId) {\n    var container = root.querySelector('#' + containerId);\n    if (!container) return;\n    var html = '';\n    GROUPS[containerId].forEach(function (w) {\n      counter++;\n      var num = (counter < 10 ? '0' : '') + counter;\n      html += '<div class=\"pv4-word-card\">' +\n        '<div class=\"pv4-word-top\">' +\n          '<span class=\"pv4-num\">' + num + '<\/span>' +\n          '<span class=\"pv4-hanzi\">' + headwordRuby(w.t, w.s, w.pt || w.p, w.ps || w.p) + '<\/span>' +\n          '<span class=\"pv4-meaning\">' + trSpans(w.meaning) + '<\/span>' +\n          '<button class=\"pv4-speaker\" data-trad=\"' + w.t + '\" data-simp=\"' + w.s + '\" aria-label=\"Play pronunciation\">' + SPEAKER_SVG + '<\/button>' +\n        '<\/div>' +\n        '<div class=\"pv4-example\">' +\n          renderTokens(w.ex) +\n          '<span class=\"pv4-en\">' + trSpans(w.exEn) + '<\/span>' +\n        '<\/div>' +\n      '<\/div>';\n    });\n    container.innerHTML = html;\n  });\n\n  var dialogueEl = root.querySelector('#pv4-dialogue');\n  if (dialogueEl) {\n    var dHtml = '';\n    DIALOGUE.forEach(function (line) {\n      dHtml += '<div class=\"pv4-line\">' +\n        '<span class=\"pv4-speaker-tag\">' +\n          '<span class=\"lang-zh-TW\">' + line.speakerT + '<\/span>' +\n          '<span class=\"lang-zh-CN\">' + line.speakerS + '<\/span>' +\n        '<\/span>' +\n        '<span class=\"pv4-line-body\">' +\n          renderTokens(line.tokens) +\n          '<span class=\"pv4-line-en\">' + trSpans(line.en) + '<\/span>' +\n        '<\/span>' +\n      '<\/div>';\n    });\n    dialogueEl.innerHTML = dHtml;\n  }\n\n  \/\/ ---- Translation language toggle ----\n  var langBtns = root.querySelectorAll('.pv4-lang-btn');\n  langBtns.forEach(function (btn) {\n    btn.addEventListener('click', function () {\n      var lang = btn.getAttribute('data-lang');\n      root.classList.remove('pv4-lang-en', 'pv4-lang-ja', 'pv4-lang-ko');\n      root.classList.add('pv4-lang-' + lang);\n      langBtns.forEach(function (b) { b.classList.remove('pv4-lang-active'); });\n      btn.classList.add('pv4-lang-active');\n    });\n  });\n  root.classList.add('pv4-lang-en');\n\n  \/\/ ---- Flashcards ----\n  var fcCard = root.querySelector('#pv4-flashcard');\n  var fcFront = root.querySelector('#pv4-fc-front');\n  var fcBack = root.querySelector('#pv4-fc-back');\n  var fcProgress = root.querySelector('#pv4-fc-progress');\n  var fcPrevBtn = root.querySelector('#pv4-fc-prev');\n  var fcNextBtn = root.querySelector('#pv4-fc-next');\n  var fcIndex = 0;\n  var fcFlipped = false;\n\n  function renderFlashcard() {\n    var w = ALL_WORDS[fcIndex];\n    if (!w || !fcFront || !fcBack) return;\n    fcFront.innerHTML = '<span class=\"pv4-hanzi\">' + headwordRuby(w.t, w.s, w.pt || w.p, w.ps || w.p) + '<\/span>';\n    fcBack.innerHTML = '<span class=\"pv4-meaning\">' + trSpans(w.meaning) + '<\/span>';\n    if (fcProgress) fcProgress.textContent = (fcIndex + 1) + ' \/ ' + ALL_WORDS.length;\n    if (fcCard) fcCard.classList.remove('pv4-flipped');\n    fcFlipped = false;\n  }\n\n  if (fcCard) {\n    fcCard.addEventListener('click', function () {\n      fcFlipped = !fcFlipped;\n      fcCard.classList.toggle('pv4-flipped', fcFlipped);\n    });\n  }\n  if (fcPrevBtn) fcPrevBtn.addEventListener('click', function () {\n    fcIndex = (fcIndex - 1 + ALL_WORDS.length) % ALL_WORDS.length;\n    renderFlashcard();\n  });\n  if (fcNextBtn) fcNextBtn.addEventListener('click', function () {\n    fcIndex = (fcIndex + 1) % ALL_WORDS.length;\n    renderFlashcard();\n  });\n  renderFlashcard();\n\n  \/\/ ---- Match It game ----\n  var gameColZh = root.querySelector('#pv4-game-col-zh');\n  var gameColEn = root.querySelector('#pv4-game-col-en');\n  var gameStatus = root.querySelector('#pv4-game-status');\n  var gameWin = root.querySelector('#pv4-game-win');\n  var gameNewBtn = root.querySelector('#pv4-game-new');\n  var gameRound = [];\n  var gameSelectedZh = null;\n  var gameSelectedEn = null;\n  var gameMatchedCount = 0;\n  var gameBusy = false;\n\n  function shuffle(arr) {\n    var a = arr.slice();\n    for (var i = a.length - 1; i > 0; i--) {\n      var j = Math.floor(Math.random() * (i + 1));\n      var tmp = a[i]; a[i] = a[j]; a[j] = tmp;\n    }\n    return a;\n  }\n\n  function startRound() {\n    gameRound = shuffle(ALL_WORDS).slice(0, 8);\n    gameSelectedZh = null;\n    gameSelectedEn = null;\n    gameMatchedCount = 0;\n    gameBusy = false;\n    if (gameWin) gameWin.classList.remove('pv4-show');\n\n    var zhOrder = shuffle(gameRound);\n    var enOrder = shuffle(gameRound);\n\n    gameColZh.innerHTML = zhOrder.map(function (w) {\n      return '<button class=\"pv4-tile\" data-id=\"' + w.t + '\" data-side=\"zh\">' +\n        '<span class=\"lang-zh-TW\">' + w.t + '<\/span><span class=\"lang-zh-CN\">' + w.s + '<\/span>' +\n        '<span class=\"pv4-tile-py\">' + (w.pt || w.p) + '<\/span>' +\n      '<\/button>';\n    }).join('');\n\n    gameColEn.innerHTML = enOrder.map(function (w) {\n      return '<button class=\"pv4-tile\" data-id=\"' + w.t + '\" data-side=\"en\">' + trSpans(w.meaning) + '<\/button>';\n    }).join('');\n\n    updateGameStatus();\n  }\n\n  function updateGameStatus() {\n    if (gameStatus) gameStatus.textContent = gameMatchedCount + ' \/ ' + gameRound.length + ' matched';\n  }\n\n  function handleTileClick(tile) {\n    if (gameBusy || tile.classList.contains('pv4-matched')) return;\n    var side = tile.getAttribute('data-side');\n\n    if (side === 'zh') {\n      if (gameSelectedZh) gameSelectedZh.classList.remove('pv4-selected');\n      gameSelectedZh = tile;\n      tile.classList.add('pv4-selected');\n    } else {\n      if (gameSelectedEn) gameSelectedEn.classList.remove('pv4-selected');\n      gameSelectedEn = tile;\n      tile.classList.add('pv4-selected');\n    }\n\n    if (gameSelectedZh) {\n      if (gameSelectedEn) {\n        var zhId = gameSelectedZh.getAttribute('data-id');\n        var enId = gameSelectedEn.getAttribute('data-id');\n        if (zhId === enId) {\n          gameSelectedZh.classList.remove('pv4-selected');\n          gameSelectedEn.classList.remove('pv4-selected');\n          gameSelectedZh.classList.add('pv4-matched');\n          gameSelectedEn.classList.add('pv4-matched');\n          gameMatchedCount++;\n          updateGameStatus();\n          gameSelectedZh = null;\n          gameSelectedEn = null;\n          var roundDone = (gameMatchedCount === gameRound.length);\n          if (roundDone) {\n            if (gameWin) {\n              gameWin.classList.add('pv4-show');\n            }\n          }\n        } else {\n          gameBusy = true;\n          var z = gameSelectedZh, en = gameSelectedEn;\n          z.classList.add('pv4-wrong');\n          en.classList.add('pv4-wrong');\n          setTimeout(function () {\n            z.classList.remove('pv4-selected', 'pv4-wrong');\n            en.classList.remove('pv4-selected', 'pv4-wrong');\n            gameBusy = false;\n          }, 400);\n          gameSelectedZh = null;\n          gameSelectedEn = null;\n        }\n      }\n    }\n  }\n\n  root.addEventListener('click', function (e) {\n    var tile = e.target.closest('.pv4-tile');\n    if (tile) {\n      if (root.contains(tile)) handleTileClick(tile);\n    }\n  });\n  if (gameNewBtn) gameNewBtn.addEventListener('click', startRound);\n\n  startRound();\n\n  \/\/ ---- Vocabulary Quiz (follows the EN\/JA\/KO translation toggle) ----\n  function QMC(promptTR, optionsTR, answer) { return { type: 'mc', prompt: promptTR, options: optionsTR, answer: answer }; }\n  function QTYPE(promptTR, accept) { return { type: 'type', prompt: promptTR, accept: accept }; }\n\n  var QUIZ_DATA = [\n    QTYPE(TR('Type the pinyin for \u4e94.', '\u4e94\u306e\u30d4\u30f3\u30a4\u30f3\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002', '\u4e94\uc758 \ubcd1\uc74c\uc744 \uc785\ub825\ud558\uc138\uc694.'), ['wu']),\n    QMC(\n      TR('\u591a\u5c11 means...', '\u591a\u5c11\u306e\u610f\u5473\u306f?', '\u591a\u5c11\uc758 \ub73b\uc740?'),\n      [\n        TR('how much; how many', '\u3044\u304f\u3064;\u3044\u304f\u3089', '\uc5bc\ub9c8\ub098; \uba87'),\n        TR('altogether', '\u5168\u90e8\u3067', '\uc804\ubd80'),\n        TR('change (money)', '\u304a\u3064\u308a', '\uac70\uc2a4\ub984\ub3c8'),\n        TR('that', '\u3042\u308c', '\uc800\uac83')\n      ], 0),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u9322<\/span><span class=\"lang-zh-CN\">\u94b1<\/span> means...', '<span class=\"lang-zh-TW\">\u9322<\/span><span class=\"lang-zh-CN\">\u94b1<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u9322<\/span><span class=\"lang-zh-CN\">\u94b1<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('money', '\u304a\u91d1', '\ub3c8'),\n        TR('dollar (measure word)', '\u5143(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ub2ec\ub7ec(\ud654\ud3d0 \ub2e8\uc704)'),\n        TR('cent', '\u5206(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ud380(\ud654\ud3d0 \ub2e8\uc704)'),\n        TR('kind; type', '\u7a2e\u985e', '\uc885\ub958')\n      ], 0),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u584a<\/span><span class=\"lang-zh-CN\">\u5757<\/span> means...', '<span class=\"lang-zh-TW\">\u584a<\/span><span class=\"lang-zh-CN\">\u5757<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u584a<\/span><span class=\"lang-zh-CN\">\u5757<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('dollar (measure word for currency)', '\u5143(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ub2ec\ub7ec(\ud654\ud3d0 \ub2e8\uc704)'),\n        TR('cent', '\u5206(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ud380(\ud654\ud3d0 \ub2e8\uc704)'),\n        TR('dime', '\u89d2(\u901a\u8ca8\u306e\u5358\u4f4d)', '\ub9c8\uc624(\ud654\ud3d0 \ub2e8\uc704)'),\n        TR('change', '\u304a\u3064\u308a', '\uac70\uc2a4\ub984\ub3c8')\n      ], 0),\n    QTYPE(TR('Type the pinyin for \u4e5d.', '\u4e5d\u306e\u30d4\u30f3\u30a4\u30f3\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002', '\u4e5d\uc758 \ubcd1\uc74c\uc744 \uc785\ub825\ud558\uc138\uc694.'), ['jiu']),\n    QMC(\n      TR('\u4e00\u5171 means...', '\u4e00\u5171\u306e\u610f\u5473\u306f?', '\u4e00\u5171\uc758 \ub73b\uc740?'),\n      [\n        TR('altogether; in total', '\u5168\u90e8\u3067;\u5408\u8a08', '\uc804\ubd80; \ud569\uacc4'),\n        TR('how much', '\u3044\u304f\u3089', '\uc5bc\ub9c8'),\n        TR('please', '\u3069\u3046\u305e', '\ubd80\ub514'),\n        TR('that', '\u3042\u308c', '\uc800\uac83')\n      ], 0),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u500b<\/span><span class=\"lang-zh-CN\">\u4e2a<\/span> means...', '<span class=\"lang-zh-TW\">\u500b<\/span><span class=\"lang-zh-CN\">\u4e2a<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u500b<\/span><span class=\"lang-zh-CN\">\u4e2a<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('general measure word', '\u4e00\u822c\u7684\u306a\u91cf\u8a5e', '\uc77c\ubc18 \uc591\uc0ac'),\n        TR('how many', '\u3044\u304f\u3064', '\uba87 \uac1c'),\n        TR('half', '\u534a\u5206', '\ubc18'),\n        TR('kind; type', '\u7a2e\u985e', '\uc885\ub958')\n      ], 0),\n    QMC(\n      TR('\u4f4d means...', '\u4f4d\u306e\u610f\u5473\u306f?', '\u4f4d\uc758 \ub73b\uc740?'),\n      [\n        TR('polite measure word for people', '\u4eba\u3092\u6570\u3048\u308b\u4e01\u5be7\u306a\u91cf\u8a5e', '\uc0ac\ub78c\uc744 \uc138\ub294 \uc874\uce6d \uc591\uc0ac'),\n        TR('measure word for books', '\u672c\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\ucc45\uc744 \uc138\ub294 \uc591\uc0ac'),\n        TR('measure word for pens', '\u30da\u30f3\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\ud39c\uc744 \uc138\ub294 \uc591\uc0ac'),\n        TR('cup measure word', '\u676f\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\uc794\uc744 \uc138\ub294 \uc591\uc0ac')\n      ], 0),\n    QTYPE(TR('Type the pinyin for \u6bdb.', '\u6bdb\u306e\u30d4\u30f3\u30a4\u30f3\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002', '\u6bdb\uc758 \ubcd1\uc74c\uc744 \uc785\ub825\ud558\uc138\uc694.'), ['mao']),\n    QMC(\n      TR('\u672c means...', '\u672c\u306e\u610f\u5473\u306f?', '\u672c\uc758 \ub73b\uc740?'),\n      [\n        TR('measure word for books', '\u672c\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\ucc45\uc744 \uc138\ub294 \uc591\uc0ac'),\n        TR('measure word for people', '\u4eba\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\uc0ac\ub78c\uc744 \uc138\ub294 \uc591\uc0ac'),\n        TR('measure word for pens', '\u30da\u30f3\u3092\u6570\u3048\u308b\u91cf\u8a5e', '\ud39c\uc744 \uc138\ub294 \uc591\uc0ac'),\n        TR('kind; type', '\u7a2e\u985e', '\uc885\ub958')\n      ], 0),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u5e7e<\/span><span class=\"lang-zh-CN\">\u51e0<\/span> means...', '<span class=\"lang-zh-TW\">\u5e7e<\/span><span class=\"lang-zh-CN\">\u51e0<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u5e7e<\/span><span class=\"lang-zh-CN\">\u51e0<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('how many', '\u3044\u304f\u3064', '\uba87 \uac1c'),\n        TR('two (before measure words)', '\u4e8c\u3064(\u91cf\u8a5e\u306e\u524d)', '\ub458(\uc591\uc0ac \uc55e)'),\n        TR('half', '\u534a\u5206', '\ubc18'),\n        TR('please', '\u3069\u3046\u305e', '\ubd80\ub514')\n      ], 0),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u5169<\/span><span class=\"lang-zh-CN\">\u4e24<\/span> means...', '<span class=\"lang-zh-TW\">\u5169<\/span><span class=\"lang-zh-CN\">\u4e24<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u5169<\/span><span class=\"lang-zh-CN\">\u4e24<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('two (before measure words)', '\u4e8c\u3064(\u91cf\u8a5e\u306e\u524d)', '\ub458(\uc591\uc0ac \uc55e)'),\n        TR('how many', '\u3044\u304f\u3064', '\uba87 \uac1c'),\n        TR('half', '\u534a\u5206', '\ubc18'),\n        TR('kind; type', '\u7a2e\u985e', '\uc885\ub958')\n      ], 0),\n    QTYPE(TR('Type the pinyin for \u90a3.', '\u90a3\u306e\u30d4\u30f3\u30a4\u30f3\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002', '\u90a3\uc758 \ubcd1\uc74c\uc744 \uc785\ub825\ud558\uc138\uc694.'), ['na']),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u7d66<\/span><span class=\"lang-zh-CN\">\u7ed9<\/span> means...', '<span class=\"lang-zh-TW\">\u7d66<\/span><span class=\"lang-zh-CN\">\u7ed9<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u7d66<\/span><span class=\"lang-zh-CN\">\u7ed9<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('to give; for', '\u3042\u3052\u308b;\u301c\u306b', '\uc8fc\ub2e4; ~\uc5d0\uac8c'),\n        TR('please; to invite', '\u3069\u3046\u305e;\u62db\u5f85\u3059\u308b', '\ubd80\ub514; \ucd08\ub300\ud558\ub2e4'),\n        TR('to want', '\u6b32\u3057\u3044', '\uc6d0\ud558\ub2e4'),\n        TR('to buy', '\u8cb7\u3046', '\uc0ac\ub2e4')\n      ], 0),\n    QMC(\n      TR('<span class=\"lang-zh-TW\">\u8acb<\/span><span class=\"lang-zh-CN\">\u8bf7<\/span> means...', '<span class=\"lang-zh-TW\">\u8acb<\/span><span class=\"lang-zh-CN\">\u8bf7<\/span>\u306e\u610f\u5473\u306f?', '<span class=\"lang-zh-TW\">\u8acb<\/span><span class=\"lang-zh-CN\">\u8bf7<\/span>\uc758 \ub73b\uc740?'),\n      [\n        TR('please; to invite', '\u3069\u3046\u305e;\u62db\u5f85\u3059\u308b', '\ubd80\ub514; \ucd08\ub300\ud558\ub2e4'),\n        TR('to give; for', '\u3042\u3052\u308b;\u301c\u306b', '\uc8fc\ub2e4; ~\uc5d0\uac8c'),\n        TR('to want', '\u6b32\u3057\u3044', '\uc6d0\ud558\ub2e4'),\n        TR('to buy', '\u8cb7\u3046', '\uc0ac\ub2e4')\n      ], 0),\n    QMC(\n      TR('\u534a means...', '\u534a\u306e\u610f\u5473\u306f?', '\u534a\uc758 \ub73b\uc740?'),\n      [\n        TR('half', '\u534a\u5206', '\ubc18'),\n        TR('kind; type', '\u7a2e\u985e', '\uc885\ub958'),\n        TR('altogether', '\u5168\u90e8\u3067', '\uc804\ubd80'),\n        TR('change', '\u304a\u3064\u308a', '\uac70\uc2a4\ub984\ub3c8')\n      ], 0)\n  ];\n\n  var UI_STRINGS = {\n    en: { submit: 'Submit', next: 'Next', placeholder: 'Type your answer', correct: 'Correct!', incorrectPrefix: 'Not quite \u2014 the answer is \"', incorrectSuffix: '\".', incorrectGeneric: 'Not quite \u2014 check the highlighted answer above.', scoreLine: 'Nice work! Want to try again?', retake: 'Retake Quiz', questionLabel: 'Question' },\n    ja: { submit: '\u9001\u4fe1', next: '\u6b21\u3078', placeholder: '\u7b54\u3048\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044', correct: '\u6b63\u89e3!', incorrectPrefix: '\u6b8b\u5ff5\u3001\u6b63\u89e3\u306f\u300c', incorrectSuffix: '\u300d\u3067\u3059\u3002', incorrectGeneric: '\u6b8b\u5ff5\u3001\u4e0a\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u7b54\u3048\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002', scoreLine: '\u3088\u304f\u3067\u304d\u307e\u3057\u305f!\u3082\u3046\u4e00\u5ea6\u6311\u6226\u3057\u307e\u3059\u304b?', retake: '\u30af\u30a4\u30ba\u3092\u3084\u308a\u76f4\u3059', questionLabel: '\u8cea\u554f' },\n    ko: { submit: '\uc81c\ucd9c', next: '\ub2e4\uc74c', placeholder: '\ub2f5\uc744 \uc785\ub825\ud558\uc138\uc694', correct: '\uc815\ub2f5\uc785\ub2c8\ub2e4!', incorrectPrefix: '\uc544\uc27d\ub124\uc694 \u2014 \uc815\ub2f5\uc740 \"', incorrectSuffix: '\"\uc785\ub2c8\ub2e4.', incorrectGeneric: '\uc544\uc27d\ub124\uc694 \u2014 \uc704\uc5d0 \ud45c\uc2dc\ub41c \uc815\ub2f5\uc744 \ud655\uc778\ud558\uc138\uc694.', scoreLine: '\uc798\ud558\uc168\uc5b4\uc694! \ub2e4\uc2dc \ub3c4\uc804\ud574\ubcf4\uc2dc\uaca0\uc5b4\uc694?', retake: '\ud034\uc988 \ub2e4\uc2dc \ud480\uae30', questionLabel: '\ubb38\uc81c' }\n  };\n\n  function getLang() {\n    if (root.classList.contains('pv4-lang-ja')) return 'ja';\n    if (root.classList.contains('pv4-lang-ko')) return 'ko';\n    return 'en';\n  }\n\n  function stripTones(s) {\n    return s.normalize('NFD').replace(\/[\\u0300-\\u036f]\/g, '').toLowerCase().replace(\/[^a-z0-9]\/g, '');\n  }\n\n  (function initQuiz() {\n    var qRoot = root.querySelector('#pv4-quiz');\n    if (!qRoot) return;\n    var current = 0;\n    var score = 0;\n    var answered = false;\n\n    function render() {\n      if (current >= QUIZ_DATA.length) { renderScore(); return; }\n      var lang = getLang();\n      var ui = UI_STRINGS[lang];\n      var q = QUIZ_DATA[current];\n      answered = false;\n      var html = '<p class=\"pv4-quiz-progress\">' + ui.questionLabel + ' ' + (current + 1) + ' \/ ' + QUIZ_DATA.length + '<\/p>';\n      html += '<p class=\"pv4-quiz-prompt\">' + q.prompt[lang] + '<\/p>';\n      if (q.type === 'mc') {\n        html += '<div class=\"pv4-quiz-options\">';\n        for (var i = 0; i < q.options.length; i++) {\n          html += '<button type=\"button\" class=\"pv4-quiz-opt\" data-i=\"' + i + '\">' + q.options[i][lang] + '<\/button>';\n        }\n        html += '<\/div>';\n      } else {\n        html += '<div class=\"pv4-quiz-input-row\">';\n        html += '<input type=\"text\" class=\"pv4-quiz-input\" placeholder=\"' + ui.placeholder + '\">';\n        html += '<button type=\"button\" class=\"pv4-quiz-submit\">' + ui.submit + '<\/button>';\n        html += '<\/div>';\n      }\n      html += '<p class=\"pv4-quiz-feedback\"><\/p>';\n      html += '<button type=\"button\" class=\"pv4-quiz-next\" style=\"display:none;\">' + ui.next + '<\/button>';\n      qRoot.innerHTML = html;\n\n      if (q.type === 'mc') {\n        var opts = qRoot.querySelectorAll('.pv4-quiz-opt');\n        opts.forEach(function (btn) {\n          btn.addEventListener('click', function () {\n            if (answered) return;\n            answered = true;\n            var i = parseInt(this.getAttribute('data-i'), 10);\n            var correct = i === q.answer;\n            if (correct) score++;\n            opts.forEach(function (b, bi) {\n              b.setAttribute('disabled', 'disabled');\n              if (bi === q.answer) b.classList.add('correct');\n              else if (bi === i) b.classList.add('incorrect');\n            });\n            showFeedback(correct);\n          });\n        });\n      } else {\n        var input = qRoot.querySelector('.pv4-quiz-input');\n        var submitBtn = qRoot.querySelector('.pv4-quiz-submit');\n        function submit() {\n          if (answered) return;\n          answered = true;\n          var val = stripTones(input.value || '');\n          var correct = q.accept.indexOf(val) !== -1;\n          if (correct) score++;\n          input.setAttribute('disabled', 'disabled');\n          submitBtn.setAttribute('disabled', 'disabled');\n          showFeedback(correct, q.accept[0]);\n        }\n        submitBtn.addEventListener('click', submit);\n        input.addEventListener('keydown', function (e) { if (e.key === 'Enter') submit(); });\n      }\n\n      function showFeedback(correct, correctAnswer) {\n        var fb = qRoot.querySelector('.pv4-quiz-feedback');\n        if (correct) {\n          fb.textContent = ui.correct;\n        } else if (correctAnswer) {\n          fb.textContent = ui.incorrectPrefix + correctAnswer + ui.incorrectSuffix;\n        } else {\n          fb.textContent = ui.incorrectGeneric;\n        }\n        fb.className = 'pv4-quiz-feedback ' + (correct ? 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