知 无 不 言，言 无 不 尽

zhī wú bù yán , yán wú bù jìndictionary entry

(lit.) not hiding anything he knows, not stopping before he has said it through (idiom) / (fig.) frank / outspoken

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-5c4a8443963a2da8. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

知無不言，言無不盡 知无不言，言无不尽 [zhi1 wu2 bu4 yan2 , yan2 wu2 bu4 jin4] /(lit.) not hiding anything he knows, not stopping before he has said it through (idiom)/(fig.) frank; outspoken/

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.

Other forms in these source records: 知無不言，言無不盡

知
zhī
to know / to be aware
无
mó
used in 南無|南无[nā mó]
wú
not to have / no / none / not / to lack / un- / -less
不
bù
no / not so / (bound form) not / un-
言
yán
words / speech / to say / to talk
言
yán
words / speech / to say / to talk
无
mó
used in 南無|南无[nā mó]
wú
not to have / no / none / not / to lack / un- / -less
不
bù
no / not so / (bound form) not / un-
尽
jǐn
to the greatest extent / (when used before a noun of location) furthest or extreme / to be within the limits of / to give priority to
jìn
to use up / to exhaust / to end / to finish / to the utmost / exhausted / finished / to the limit (of sth) / all / entirely

Reference definitions from CC-CEDICT.