when pigs fly
英 /wen pɪɡz flaɪ/
中文释义
永远不可能
Used to express that something is impossible or unlikely to happen.
常用搭配
- when pigs fly永远不可能
- only when pigs fly太阳西边出来才行
- happen when pigs fly绝无可能
例句
- He'll clean his room when pigs fly.他要打扫房间除非太阳打西边出。
- They'll approve that budget when pigs fly.他们批那笔预算是绝无可能的。