| 单词 | do sth till you are blue in the face |
| 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 |
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