当dāngto be; to act as
当 (dāng) means "to act as" or "to be" something, such as a role or job, as in 当老师 (be a teacher). It also means "when" or "during," used before a time or event, as in 当他回家的时候. This entry covers both senses: acting as or being something, and when.
What does 当 mean?
- 1.
to be; to act asverb
- 2.
when; duringpreposition
What does the character 当 mean?
- 当to be; to act as
How do you use 当?
Put a role or job after 当, as in 当老师 or 当医生.
Patterns
当 + role
我想当老师。
Wǒ xiǎng dāng lǎoshī.
I want to be a teacher.
当 + event + 的时候
当我回家的时候,他在看书。
Dāng wǒ huíjiā de shíhou, tā zài kàn shū.
When I got home, he was reading.
What are some examples of 当 in a sentence?
我想当老师。
Wǒ xiǎng dāng lǎoshī.
I want to be a teacher.
他以后想当医生。
Tā yǐhòu xiǎng dāng yīshēng.
He wants to be a doctor in the future.
当我回家的时候,他在看书。
Dāng wǒ huíjiā de shíhou, tā zài kàn shū.
When I got home, he was reading.
当他看见我的时候,他笑了。
Dāng tā kànjiàn wǒ de shíhou, tā xiào le.
When he saw me, he smiled.
How is 当 used in a conversation?
- Speaker A:
你以后想做什么?
Nǐ yǐhòu xiǎng zuò shénme?
What do you want to do in the future?
- Speaker B:
我想当老师。你呢?
Wǒ xiǎng dāng lǎoshī. Nǐ ne?
I want to be a teacher. You?
- Speaker A:
我想当医生。
Wǒ xiǎng dāng yīshēng.
I want to be a doctor.
- Speaker B:
很好!
Hěn hǎo!
Great!
Can you use 当 correctly?
0 of 3 answeredWhat should you learn next?
- Free HSK 3 level testSee which HSK 3.0 level your vocabulary matches.
- HSK 4 word listEvery word at this level, with examples.
- HSK 3.0 guideHow the nine levels and three bands work.
Related words
- 做zuòto make; to produceHSK 1
- 时候shí houtime; length of time; moment; periodHSK 1
- 工作gōng zuòto workHSK 1
- 想xiǎngto desire; to want (to)HSK 1
- 当时dāng shíthen; at that timeHSK 4
- 当然dāng ráncertainly; of course; without doubtHSK 3
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English glosses on this page are adapted from CC-CEDICT, published by MDBG (snapshot 2026-10-23), licensed under CC BY-SA 4.0. Glosses were edited for learners.