搬救兵

bānjiùbīng ㄅㄢ ㄐㄧㄡˋ ㄅㄧㄥ

    • to call in reinforcements
    • to summon help

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Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
bring in relief troops
Meaning
To call in help or reinforcements.

Sources