when pigs fly
英 /wen pɪɡz flaɪ/
中文釋義
永遠不可能
Used to express that something is impossible or unlikely to happen.
常用搭配
- when pigs fly永遠不可能
- only when pigs fly太陽西邊出來纔行
- happen when pigs fly絕無可能
例句
- He'll clean his room when pigs fly.他要打掃房間除非太陽打西邊出。
- They'll approve that budget when pigs fly.他們批那筆預算是絕無可能的。