照镜子

Traditional (Taiwan): 照鏡子

zhàojìngzi ㄓㄠˋ ㄐㄧㄥˋ ˙ㄗ

    • to look in the mirror

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
look in the mirror
Meaning
To check oneself against a standard or role model and see where one falls short. Often used in the sense of self-examination.

Sources