idiom > Were abandoned before the power
Contents
Were abandoned before the work
  Explanation: Power: merit. Are: All. Disposable: discard. Get all the credit for previously lost. Also as "naught", "undo Jinmie."
No. 2
  成语 前功皆弃
  发音 qián gōng jiē qì
  解释 功:功绩。皆:全部。弃:丢掉。以前取得的功劳全部丢掉了。亦作“前功尽弃”、“前功尽灭”。
  出处 《战国策·西周策》:“公之功甚多,今公又以秦兵出塞,过两周,践韩,而以攻梁,一攻而不得,前功尽灭。”