One might argue, as Churchill did of Russia, that it is "a riddle wrapped up in mystery, inside an enigma".

也许有些人认为不就是，丘吉尔曾经评价俄罗斯那句话吗—一个神秘的谜中谜。

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The abstract painter Clyfford Still is a craggy enigma of American art.

抽象画家克利福特·史蒂尔是美国艺术中一个难解的谜。

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He is an enigma: not outright friendly or forthcoming, but he works surprisingly well on a team.

他难以捉摸：并不坦率友好，乐于助人。但在团队中表现优异，让人惊讶。

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If you have some plain text, some message that you want to send, well, you can encrypt it or you can scramble it using a key, a secret key, which might be a physical machine like the Enigma 13 or it might be a number like 13.

如果你有没有加密的文本，你想要寄送的一些消息,你就可以加密它,或者你可以用一个密钥使其变得混乱，那就像一个英格玛的物理装置,或者他就是一个数字。

哈佛公开课 - 计算机科学课程节选

Yet, for all of this, one might say there is still a profound enigma surrounding Aristotle's political works.

但除了上述之外，人们还是觉得,亚里士多德的政治作品仍充满了深奥的谜团。

耶鲁公开课 - 政治哲学导论课程节选

And then, I'm going to skip down a little bit: Though she never again called back any image of the dead man to dress up, pose, talk to and make answer, neither would she lose a new compassion for the cul-de-sac he'd tried to find a way out of, for the enigma his efforts had created.

接下来，我会跳过一些内容往下说：,虽然她从没有想起过，那个死人穿衣、摆弄姿势、,说话和回答问题时的样子，她也不会失去对他的同情，对他尝试摆脱,无路可走的困境所付出的，谜团一般的努力。

耶鲁公开课 - 1945年后的美国小说课程节选

His page-turning 1997 account of the solution of a mathematical puzzle, Fermat's Enigma, was a bestseller.

FORBES: I've got a secret

Novelistic vivacity, the great unteachable, the unschooled enigma, has a way of making questions of form appear scholastic.

NEWYORKER: Youth in Revolt

The real test is for Mr Aliev, who is as much of a Caucasian enigma as his country.

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