to go up in smoke
01
(of plans, hopes, etc.) to come to nothing or fail completely, often resulting in disappointment or loss
![to [go] up in smoke definition and meaning](https://cdn.langeek.co/photo/41474/original/?type=jpeg "to [go] up in smoke definition and meaning")
Idiom
例
The company's plan to expand its business has gone up in smoke due to the pandemic.
The politician's campaign promise went up in smoke after he was caught in a scandal.
