伸大拇指

shēndàmǔzhǐ ㄕㄣ ㄉㄚˋ ㄇㄨˇ ㄓˇ

    • to give a thumbs-up
    • to praise or compliment someone

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
to stick out the thumb
Meaning
To give a thumbs-up; to praise or compliment someone.

Sources