以便以便 yǐbiàn literally means “in order to make it 便便 biàn (convenient / easy).” So it doesn’t just express a purpose: it emphasizes that the first action makes the second one easier or smoother.
1Structure
Action，以便以便 yǐbiàn + Result
以便以便 yǐbiàn starts the second clause. You’ll see it in official notices, instructions, and business settings. The result explains how the action makes things more convenient or effective.
請提前預約，以便我們安排座位
请提前预约，以便我们安排座位
Please make a reservation in advance so that we can arrange your seats.
我們會提供詳細的說明，以便您能順利完成操作
我们会提供详细的说明，以便您能顺利完成操作
We will provide detailed instructions so that you can complete the process smoothly.
請把地址寫清楚，以便快遞員能夠順利送達
请把地址写清楚，以便快递员能够顺利送达
Please write the address clearly so that the courier can deliver it without problems.
我們早點出發，以便避開上下班的交通高峰
我们早点出发，以便避开上下班的交通高峰
Let’s leave early so that we can avoid rush hour.
請攜帶身分證，以便辦理登記手續
请携带身份证，以便办理登记手续
Please bring your ID so that we can process your registration.
我們下載了離線地圖，以便沒有網路時也能導航
我们下载了离线地图，以便没有网络时也能导航
We downloaded an offline map so that we could still navigate without internet.
請保存好收據，以便日後需要退換貨時使用
请保存好收据，以便日后需要退换货时使用
Please keep your receipt so that you can use it for returns or exchanges later.
📌 The opposite: 以免以免 yǐmiǎn
以便以便 yǐbiàn makes something good easier to happen. Its partner 以免以免 yǐmiǎn means “so as to avoid”: it prevents something bad from happening.
請提前出門，以便準時到達请提前出门，以便准时到达
Please leave early so that you can arrive on time.
請提前出門，以免遲到请提前出门，以免迟到
Please leave early so as not to be late.
2以便以便 yǐbiàn vs. 為了为了 wèile
| 以便以便 yǐbiàn | 為了为了 wèile |
|---|
| Meaning | so that something becomes easier / smoother | in order to (any purpose or goal) |
| Position | Start of the second clause only | First or second clause |
| Register | Formal, written | Neutral, spoken and written |
3Common Mistakes
These sentences are incorrect because they only express a goal, not making something more convenient or efficient. Use 為了为了 wèile instead.
❌
他努力學習，以便考上理想的大學
他努力学习，以便考上理想的大学
✅
他努力學習，為了考上理想的大學
他努力学习，为了考上理想的大学
“Getting into his dream university” is a goal, not something that his studying makes more convenient.
❌
他每天運動，以便保持健康的身體
他每天运动，以便保持健康的身体
✅
他每天運動，為了保持健康的身體
他每天运动，为了保持健康的身体
Staying healthy is the purpose of exercising, so it calls for a plain purpose word.
❌
以便我們安排座位，請提前預約
以便我们安排座位，请提前预约
✅
請提前預約，以便我們安排座位
请提前预约，以便我们安排座位
以便以便 yǐbiàn can’t open a sentence. The action comes first, then 以便以便 yǐbiàn + result.
4Practice
Translate each sentence into Chinese, then tap the card to check your answer.
01Please leave your phone number so that we can contact you.
請留下您的電話號碼，以便我們跟您聯絡
请留下您的电话号码，以便我们跟您联系。
👆 Tap to reveal
02We added English signs so that foreign tourists can find their way.
我們增加了英文標示，以便外國遊客找路
我们增加了英文标识，以便外国游客找路。
👆 Tap to reveal
03Please arrive 30 minutes early so that we can check your documents.
請提前三十分鐘到達，以便我們檢查您的文件
请提前三十分钟到达，以便我们检查您的文件。
👆 Tap to reveal
04He keeps notes on his phone so that he can review anytime.
他把筆記存在手機裡，以便隨時複習
他把笔记存在手机里，以便随时复习。
👆 Tap to reveal
05Please speak slowly so that everyone can understand.
請說慢一點，以便大家都能聽懂
请说慢一点，以便大家都能听懂。
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06Bring an umbrella so as not to get caught in the rain.
帶把傘，以免淋雨
带把伞，以免淋雨。
👆 Tap to reveal
07The files are sorted by date so that they’re easy to find.
文件按照日期排列，以便查找
文件按照日期排列，以便查找。
👆 Tap to reveal
08Please fill in your email address so that we can send you the receipt.
請填寫電子郵件地址，以便我們寄收據給您
请填写电子邮件地址，以便我们寄收据给您。
👆 Tap to reveal
