化为乌有

come to naught; crumble to dust; go up in smoke; nothing left; vanish

1. 和谈失败後，迅速结束战争的希望都已化为乌有。
   With the failure of the peace talks all hopes of a swift end to the war have flown out of the window.
2. 她对这个建议的抵触情绪已化为乌有了。
   Her resistance to the proposal has crumpled.
3. 他的希望化为乌有。
   His hope was reduced to zero.
4. 大火烧毁了他正在建的房子，他的一切成绩化为乌有。
   All his work came to naught when the fire destroyed the house he was building.

化为的英语翻译：

乌有的英语翻译：