掛免戰牌

Simplified: 挂免战牌

guàmiǎnzhànpái ㄍㄨㄚˋ ㄇㄧㄢˇ ㄓㄢˋ ㄆㄞˊ

    • to call a halt to a quarrel or contest
    • to refuse to take part in one

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
hang up the no-fighting sign
Meaning
To call a halt to a quarrel or contest, or to refuse to take part in one. From old stories where a army hung a sign outside camp to say it would not fight. Often humorous.

Sources