打問號

Simplified: 打问号

dǎwènhào ㄉㄚˇ ㄨㄣˋ ㄏㄠˋ

    • to put a question mark

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
put a question mark
Meaning
To feel doubt or suspicion about something.

Sources