鸡蛋碰石头的英语:throw an egg at a rock; an egg itself against a rock; attack sb. far stronger than oneself; like an egg striking a rock, only to cause its own destruction 鸡蛋碰石头的日语:卵が石にぶつかる.全然相手にならないたとえ.
鸡蛋碰石头的俄语:[jīdàn pèng shítou] обр. плетью обуха не перешибёшь