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必须bì xūmust; to have to

HSK 3word

By Chinese Copilot · Last updated

必须 (bì xū) means "must" or "to have to," as in 我们明天必须去学校 (We must go to school tomorrow), 学生必须认真学习 (Students must study seriously) and 你必须告诉我 (You have to tell me). In all three, 必须 means must or to have to. This entry covers this one sense.

What does 必须 mean?

  1. 1.

    must; to have toadverb

What do the characters in 必须 mean?

  • 必must
  • 须to have to

How do you use 必须?

See it in 我们明天必须去学校, 学生必须认真学习 and 你必须告诉我.

Patterns

  • 必须 + verb

    你必须告诉我。

    Nǐ bì xū gàosu wǒ.

    You have to tell me.

What are some examples of 必须 in a sentence?

  1. 我们明天必须去学校。

    Wǒmen míngtiān bìxū qù xuéxiào.

    We must go to school tomorrow.

  2. 学生必须认真学习。

    Xuéshēng bìxū rènzhēn xuéxí.

    Students must study seriously.

  3. 你必须告诉我。

    Nǐ bìxū gàosu wǒ.

    You have to tell me.

How is 必须 used in a conversation?

  1. Speaker A:

    你明天来吗?

    Nǐ míngtiān lái ma?

    Are you coming tomorrow?

  2. Speaker B:

    我必须来。

    Wǒ bìxū lái.

    I have to come.

  3. Speaker A:

    为什么?

    Wèishénme?

    Why?

  4. Speaker B:

    明天有考试。

    Míngtiān yǒu kǎoshì.

    There is an exam tomorrow.

Can you use 必须 correctly?

0 of 3 answered
  1. 1.Fill in the blank: 我们明天___去学校。 (We must go to school tomorrow.)
  2. 2.What does 你必须告诉我。 mean?
  3. 3.What does 必须 mean?

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.