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当dāngto be; to act as

HSK 4word

By Chinese Copilot · Last updated

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. 1.

    to be; to act asverb

  2. 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?

  1. 我想当老师。

    Wǒ xiǎng dāng lǎoshī.

    I want to be a teacher.

  2. 他以后想当医生。

    Tā yǐhòu xiǎng dāng yīshēng.

    He wants to be a doctor in the future.

  3. 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.

  4. 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?

  1. Speaker A:

    你以后想做什么?

    Nǐ yǐhòu xiǎng zuò shénme?

    What do you want to do in the future?

  2. Speaker B:

    我想当老师。你呢?

    Wǒ xiǎng dāng lǎoshī. Nǐ ne?

    I want to be a teacher. You?

  3. Speaker A:

    我想当医生。

    Wǒ xiǎng dāng yīshēng.

    I want to be a doctor.

  4. Speaker B:

    很好!

    Hěn hǎo!

    Great!

Can you use 当 correctly?

0 of 3 answered
  1. 1.Fill in the blank: 我想___老师。 (I want to be a teacher.)
  2. 2.In 当我回家的时候, what does 当 mean?
  3. 3.Which means "He wants to be a doctor"?

What should you learn next?

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.