打掩护

Traditional (Taiwan): 打掩護

dǎyǎnhù ㄉㄚˇ ㄧㄢˇ ㄏㄨˋ

    • to shield or cover for wrongdoers
    • to give covering fire

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
give covering fire
Meaning
Originally to fight from the flanks or rear to protect the main force. Figuratively to shield or cover for wrongdoers. Critical.

Sources