bù zhī suǒ yǐdictionary entry
DEFINITION CC-CEDICT
(idiom) to not know the reason / (idiom) to not know what to do
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-46f81f41c81e4e5e. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

不知所以 不知所以 [bu4 zhi1 suo3 yi3] /(idiom) to not know the reason/(idiom) to not know what to do/

Source material and teaching drafts have separate provenance. Long-term commercial licensing remains under review.

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.

不知所以
Reference definitions from CC-CEDICT.