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