Not to do so gave the affair an air of mystery that he disliked.

不这么做会使事情带上一层他不喜欢的神秘色彩。

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This is a mystery that many people have carefully thought about.

这是一个许多人都仔细思考过的迷。

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It is a mystery that has baffled doctors for decades.

这可是困扰了医生们几十年的一个谜。

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Darwin said the Galapagos brought people near "to that great fact that mystery of mysteries the first appearance of new beings on earth."

VOA: special.2009.12.16

If so, then from an evolutionary standpoint any kindness towards an animal that an animal shows towards another animal--is a mystery.

如果这样，从进化论观点看,任何对动物善意行为,一个动物对另一个动物，是个谜团。

耶鲁公开课 - 心理学导论课程节选

And you might think that the existence of these feelings is a mystery from an evolutionary point of view.

你们可能会认为,这些情感,是无法用进化的观点来解释的。

耶鲁公开课 - 心理学导论课程节选

One part of the mystery that remains hard to explain: Rawls' bike was found at home.

CNN: STORY HIGHLIGHTS

You can also structure a meeting like a mystery that needs to be solved.

FORBES: How To Overcome Workplace Distraction

Mathematicians have solved a number mystery that has been puzzling them for hundreds of years.

BBC: The secret of squares revealed