槍口一致朝外

Simplified: 枪口一致朝外

qiāngkǒuyīzhìcháowài ㄑㄧㄤ ㄎㄡˇ ㄧ ㄓˋ ㄔㄠˊ ㄨㄞˋ

    • to be united and turn one's force against outsiders
    • to present a united front against the enemy

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
the gun muzzles all point outward together
Meaning
A group is united internally and directs its force against outsiders or an external enemy. Approving.

Sources