| 释义 |
idiomyou can do sth until/till you're blue in the facefailspoken used in order to say that although someone spends a lot of time and effort doing something, they will not achieve anything:You can argue till you're blue in the face, I'm not going to change my mind.We can make laws about pollution or wildlife trade until we are blue in the face, but without enough money to enforce them they will not be effective.
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