知无不言，言无不尽_成语

知无不言，言无不尽

zhī wú bù yán，yán wú bù jìn

基本释义

[ zhī wú bù yán，yán wú bù jìn ]

出　　处

宋·苏洵《衡论·远虑》:“知无不言，言无不尽，百人誉之不加密，百人毁之不加疏。”

英文翻译

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