丢眼色

Traditional (Taiwan): 丟眼色

diūyǎnsè ㄉㄧㄡ ㄧㄢˇ ㄙㄜˋ

    • to signal someone with a meaningful glance

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
throw a look
Meaning
To signal someone with a glance or a meaningful look, usually to hint at something without speaking.

Sources