吃鎮心丸

Simplified: 吃镇心丸

chīzhènxīnwán ㄔ ㄓㄣˋ ㄒㄧㄣ ㄨㄢˊ

    • to be reassured and stop worrying

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
take a heart-calming pill
Meaning
A variant of 吃定心丸: to be reassured and stop worrying.

Sources