打老虎

dǎlǎohǔ ㄉㄚˇ ㄌㄠˇ ㄏㄨˇ

    • to crack down on major crimes, especially ringleaders in big corruption cases

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
hit tigers
Meaning
To crack down on major crimes, especially the ringleaders in big corruption cases. Used in news and political language.

Sources