放冷风

Traditional (Taiwan): 放冷風

fànglěngfēng ㄈㄤˋ ㄌㄥˇ ㄈㄥ

    • to spread discouraging remarks

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
let out cold wind
Meaning
To spread discouraging or negative remarks; usually written 吹冷风.

Sources