I was afraid you'd say no, and my dream would go up in smoke.

我担心你会说不，那我的梦想就化为乌有了。

《柯林斯英汉双解大词典》

Seemed to all go up in smoke.

似乎都已随烟雾飘散。

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The future of tobacco may not all go up in smoke.

烟草的未来可能不会灰飞烟灭。

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No one believes Europe can let itself go up in smoke for the sake of political grandstanding.

FORBES: The Eurozone Must Follow The U.K. To Resolve Its Crisis

Coal operators in the last recession saw their earnings go up in smoke.

FORBES: Grandiosity Is A No-No

But if shale gas starts to replace natural gas in Europe, all these plans could go up in smoke.

ECONOMIST: Ukraine and Russia: A normal day's debate in Kiev | The