English has no way to split “swim,” “dance,” or “run” into two pieces — but 游泳游泳 yóuyǒng, 跳舞跳舞 tiàowǔ, 跑步跑步 pǎobù, and 幫忙帮忙 bāngmáng all are, in Chinese. That’s the whole reason they trip people up.

1Quick Reference

2Why These Four Trip Up English Speakers

“Help,” “swim,” “dance,” and “run” are single, unsplittable words in English — there’s no “part A” and “part B” to pull apart. But in Chinese, all four are secretly Verb + Object: 幫帮 bāng “help” + 忙忙 máng “a busy matter,” 游游 yóu “swim” + 泳泳 yǒng “swimming,” 跳跳 tiào “jump” + 舞舞 wǔ “dance,” and 跑跑 pǎo “run” + 步步 bù “step.” Because English has no equivalent, it’s easy to forget that something can — and often must — slide in between the two halves.

1. 了了 le Slides Into the Middle

Just like the words from Part 1, the completed-action marker 了了 le attaches directly to the Verb — so it lands between V and O, never at the very end.

2. Duration and Frequency Go in the Same Spot

A length of time (Verb + 了了 le + Duration + 的的 de + Object) or a count of times (次次 cì) slides into the exact same slot — never after the whole word.

3. A Question Word Fits There Too

Just like 上什麼課上什么课 from Part 1, a question word about the Object slots into the exact same spot.

3幫忙帮忙 bāngmáng Is Special — Insert a Person

忙忙 máng means “a busy matter,” not “a person” — so to say who you’re helping, that person has to slide in between 幫帮 bāng and 忙忙 máng, usually with 一個一个 or 的的 de.

4V vs VO — With the Complement 得得 de

Just like 睡睡 vs 睡覺睡觉 from Part 1, all four of these words also have a Verb-only form: 游游, 跳跳, 跑跑, 幫帮. When you add a 補語补语 bǔyǔ (complement) with 得得 de — for saying how something is done — it attaches directly to the Verb, so either drop the Object, or repeat the whole word before 得得 de.

5Common Mistakes

6Practice

Translate each sentence into Chinese, then tap the card to check your answer.