ˇㄌㄨㄢˇluǎnㄐㄧˊˊshí

  1. 比喻自不量力結果必然失敗參見以卵投石三國演義·》:劉豫不識天時以卵擊石安得?」封神演義·》:將軍不過不足真如以卵擊石。」蜉蝣泰山壓卵

lit. to strike a stone with egg (idiom)​; to attempt the impossible, to invite disaster by overreaching oneself