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不知所云

bù zhī suǒ yúndictionary entry
DEFINITION CC-CEDICT
to not know what sb is driving at / to be unintelligible
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-43baa8054ae5ab8d. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

不知所云 不知所云 [bu4 zhi1 suo3 yun2] /to not know what sb is driving at/to be unintelligible/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

  • 不
    bù

    no / not so / (bound form) not / un-

  • 知
    zhī

    to know / to be aware

  • 所
    suǒ

    actually / place / classifier for houses, small buildings, institutions etc / that which / particle introducing a relative clause or passive / CL:個|个[gè]

  • 云
    yún

    (classical) to say / cloud / CL:朵[duǒ]

    Yún

    surname Yun / short name for Yunnan 雲南|云南[Yún nán]

Reference definitions from CC-CEDICT.