挂帅印

Traditional (Taiwan): 掛帥印

guàshuàiyìn ㄍㄨㄚˋ ㄕㄨㄞˋ ㄧㄣˋ

    • to take charge as top leader of a team or major project

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
hang up the commander's seal
Meaning
To take charge as the top leader of a team or a major project. Neutral to approving.

Sources