鸡蛋碰石头 (雞蛋碰石頭) jīdàn pèng shítou

jīdàn pèng shítou phrase an egg colliding with a rock; to attack sb stronger than oneself; to overrate one's abilities
Domain: Proverb 谚语
Notes: (CC-CEDICT '雞蛋碰石頭')