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Blue in the face
释义
Do something till you are blue in the face.
徒劳做某事，最终没有结果

举例
❖ You can walk around till you are blue in the face, but you won&`&t find a shop selling shoes as cheap as these!
你可以到处走...

介绍： 【微信公众平台】搜索“英语口语每天学”，获取独家免费英语学习资料
【新浪微博】@笨老撕

Blue in the face
释义
Do something till you are blue in the face.
徒劳做某事，最终没有结果

举例
❖ You can walk around till you are blue in the face, but you won&`&t find a shop selling shoes as cheap as these!
你可以到处走走看看，但最后你绝对找不到一家店，卖鞋的价格和我们一样实惠。
❖ Mom told Alex to do his homework until she is blue in the face, but Alex didn&`&t do it.
妈妈磨破嘴皮叫Alex去做作业，但最后Alex还是没有做。

once in a blue moon
很少，几乎不
❖ A: "Do you ever eat pork?”
A: 你吃过猪肉没？
❖ B: “Once in a blue moon; I prefer beef.”
B: 很少，几乎不吃。我更喜欢牛肉。

out of the blue=suddenly
突然地
❖ He divorced out of the blue.
她突然就离婚了。

blue 淫秽的，下流的
a blue joke下流的笑话
a blue movie/film 色情电影