Dictionary/不显山不露水

不显山不露水 不顯山不露水

bù xiǎn shān bù lù shuǐ

ㄅㄨˋ ㄒㄧㄢˇ ㄕㄢ ㄅㄨˋ ㄌㄨˋ ㄕㄨㄟˇ
Idiom
1lit. to not show the mountain and to not reveal the water (idiom); fig. to hide the key facts