知無不言 [－无－－]

Jyutping zi1 mou4 bat1 jin4
Pinyin zhī wú bù yán

Definitions (Wiktionary)
  1. phrase, idiomatic
    to tell everything that one knows
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）

知無不言 [－无－－]

Jyutping zi1 mou4 bat1 jin4 ,
Pinyin zhī wú bù yán

Definitions (CC-CANTO)
  1. to tell everything you know without reserve