pigs can fly
US /pɪɡz kæn flaɪ/
UK /pɪɡz kæn flaɪ/
1.
太阳从西边出来, 不可能
used to say that you think something will never happen
:
•
He'll clean his room when pigs can fly.
他打扫房间？那要等到太阳从西边出来。
•
You think she'll apologize? Yeah, and pigs can fly!
你觉得她会道歉？是啊，那要等到太阳从西边出来！