打當面鼓

Simplified: 打当面鼓

dǎdāngmiàngǔ ㄉㄚˇ ㄉㄤ ㄇㄧㄢˋ ㄍㄨˇ

    • to say what one thinks directly to someone's face

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
to beat the drum to someone's face
Meaning
To say what you think directly to someone. Approving of frankness.

Sources