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不知所措bù zhī suǒ cuònot knowing what to do

HSK 7–9idiom

By Chinese Copilot · Last updated

不知所措 (bù zhī suǒ cuò) means not knowing what to do, at a complete loss. Speakers use it when something sudden or difficult leaves a person unsure how to react, such as a hard question from a teacher in class or a first exam that makes someone very nervous.

What does 不知所措 mean?

  1. 1.

    not knowing what to doidiom

Figurative meaning
Not knowing what to do.

What do the characters in 不知所措 mean?

  • 不not
  • 知to know
  • 所that which
  • 措to handle

Where does 不知所措 come from?

No attested origin story

How do you use 不知所措?

不知所措 often comes at the end of a sentence, after 他 or 我, and it can follow 得 to show how strong a feeling is.

Patterns

  • adjective + 得 + 不知所措

    他紧张得不知所措。

    Tā jǐnzhāng de bù zhī suǒ cuò.

    He was so nervous he didn't know what to do.

What are some examples of 不知所措 in a sentence?

  1. 老师突然问他一个问题,他不知所措。

    Lǎoshī tūrán wèn tā yí ge wèntí, tā bù zhī suǒ cuò.

    The teacher suddenly asked him a question, and he didn't know what to do.

  2. 第一次考试的时候,我紧张得不知所措。

    Dì-yī cì kǎoshì de shíhou, wǒ jǐnzhāng de bù zhī suǒ cuò.

    During my first exam, I was so nervous that I didn't know what to do.

How is 不知所措 used in a conversation?

  1. Speaker A:

    今天上课的时候,老师问了你什么?

    Jīntiān shàngkè de shíhou, lǎoshī wènle nǐ shénme?

    What did the teacher ask you in class today?

  2. Speaker B:

    她问了我一个很难的问题。

    Tā wènle wǒ yí ge hěn nán de wèntí.

    She asked me a really hard question.

  3. Speaker A:

    你回答了吗?

    Nǐ huídá le ma?

    Did you answer it?

  4. Speaker B:

    没有,我当时不知所措。

    Méiyǒu, wǒ dāngshí bù zhī suǒ cuò.

    No, I didn't know what to do at that moment.

Can you use 不知所措 correctly?

0 of 3 answered
  1. 1.What does 不知所措 mean?
  2. 2.Which sentence uses 不知所措 correctly?
  3. 3.Which word fits best? 第一次考试的时候,我紧张得____。 (During my first exam, I was so nervous that I didn't know what to do.)

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.