| 释义 |
● do sth till you are blue in the ˈface (informal ) to try to do sth as hard and as long as you possibly can but without success 徒然拼命地干;徒劳无功◆ You can argue till you're blue in the face , but you won't change my mind . 你可以费尽口舌,但改变不了我的主意。See also blue |