语法 · HSK 2–4
一边……一边…… vs 又……又…… vs 既……又……: "Both" and "At the Same Time"
Use 一边 + Verb 1 + 一边 + Verb 2 when one person does two physical actions at the same time ("while doing A, doing B"): 他一边听音乐一边做饭. Use 又 + Adj 1 + 又 + Adj 2 (or 既 + A + 又/也 + B) to combine two qualities, states or mental verbs that hold true together ("both A and B"): 这个西瓜又大又甜, 她既聪明又努力. Never use 一边……一边…… with adjectives.
速查对比Quick comparison
句型Patterns
Subject + 一边 + Verb 1，一边 + Verb 2Two simultaneous actions: 一边走一边聊.Subject + 又 + Adj 1 + 又 + Adj 2Two qualities in the same direction (short adjectives).Subject + 既 + Adj/Verb 1，又 / 也 + Adj/Verb 2More formal "both … and …"; works with 1- or 2-syllable words and verbs.
例句Examples
- 他喜欢一边喝咖啡，一边看报纸。tā xǐ huan yì biān hē kā fēi, yì biān kàn bào zhǐ.He likes drinking coffee while reading the newspaper.
- 这家超市的水果又新鲜又便宜。zhè jiā chāo shì de shuǐ guǒ yòu xīn xiān yòu pián yi.The fruit at this supermarket is both fresh and cheap.
- 这样做既能节省时间，又能少花钱。zhè yàng zuò jì néng jié shěng shí jiān, yòu néng shǎo huā qián.Doing it this way both saves time and costs less money.
常见错误Common mistakes
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✗这件衣服一边好看一边便宜。
✓这件衣服又好看又便宜。 / 这件衣服既好看又便宜。
Adjectives and states take 又……又…… or 既……又……; 一边……一边…… is only for two active verbs.
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✗这家店的东西又便宜又贵。
✓这家店有的东西便宜，有的东西贵。
又 A 又 B must combine two compatible qualities (both positive or both negative), never opposites.
重点词语Words in this guide
Common questions
Can 一边 be shortened to 边?
Yes, with single-character verbs: 边走边聊 (walk and chat) and 边吃边看 (eat and watch) are very natural.