throw in the towel
成語所屬單字throw
throw in the towel — 慣用語
1. to stop trying to do something because you know you will not succeed
1.慣用語
釋義
認輸；放棄
to stop trying to do something because you know you will not succeed
例句
After trying to fix the engine for hours, Bao threw in the towel and called a mechanic.