全功尽弃

Explanation: Power: efficacy, achievement; disposable: discard. All effects are the loss of clean. 　　Source: "Western Zhou Dynasty Warring States policy": "many public achievements, this public Youyi Chi Frontier, over two weeks, Jian Han, and to attack beam, and not an attack, the former power Jinmie." 　　Examples: History of warfare there are Jie Lien Chan, after a defeat or even to eat ~'s. (Mao Zedong, "Problems of Strategy in China's Revolutionary War")