狗咬狗: dog-eat-dog; dogfight 狗咬狗, 两嘴毛。 when dog bites dog, each gets a mouthful of fur -- usually indicating unjustifiable disputes
嘴: 名词1.(口的通称) mouth 短语和例子歪嘴 wry-mouthed; 噘起嘴 purse up one's lips2.(形状或作用像嘴的东西) anything shaped or functioning like a mouth 短语和例子山嘴 the spur of a hill; 茶壶嘴 the spout of a teapot; 烟嘴儿 cigarette
