费唾沫

Traditional (Taiwan): 費唾沫

fèituòmo ㄈㄟˋ ㄊㄨㄛˋ ˙ㄇㄛ

    • to waste one's breath

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
waste spit
Meaning
To waste one's breath talking, usually to no effect. Said with some annoyance when persuading or explaining is pointless.

Words with 费唾沫

Containing 费唾沫

Sources