ビジネス英語口語表現569：when pigs fly
トーク・アベニュー新宿のビジネス英語口語表現集より
569 when pigs fly 不可能であるとき、あり得ないとき
- this is an expression used to indicate that something will never happen
1. I will go in there and apologize when pigs fly!
2. He said that he would buy his daughter a new car when pigs fly.
