| 词汇 | blue in the face |
| 释义 | blue in the face ◊ If you do something until you are blue in the face, you do it for a very long time without having any success or making any difference.徒然拼命地干；徒劳无功 I talked to him until I was blue in the face, but he wouldn't listen to me.我跟他费尽了口舌，可他就是不听。 blue |
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