1. 伊朗对外部世界而言依然是个
Iran remains an enigma for the outside world.

《柯林斯英汉双解大词典》

2. 无数人试图解开这个
Countless people have had a stab at solving the riddle.

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3. 他们的动机仍然是个
Their motives remain a mystery.

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4. 有些看似很难,但实际上相当容易解开。
Some puzzles look difficult but are actually quite simple.

《柯林斯英汉双解大词典》

5. 事故的增多仍是个
The rise in accidents remains a puzzle.

《柯林斯英汉双解大词典》

6. 他们到底出了什么事,到现在仍可以说是个
What happened to them remains somewhat of a mystery.

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7. 他给能解开这个的人一个奖品。
He gave a prize to the person who could solve the riddle.

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8. 她无法控制的咳嗽是一个
Her uncontrollable coughing was a mystery.

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9. 卡拉姆的童年一半是悲剧,一半是
Carême's childhood was one part tragedy, equal part mystery.

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10. 直到今天,这仍然是个
To this day, it is still a mystery.

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11. 这些奇特的玻璃球体的起源仍然是个
The origin of these peculiar glassy spheres remains an enigma.

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12. 关于大金字塔的许多事情仍然是一个
Many things about the Great Pyramid are still a mystery.

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13. 在那间不那么豪华的客栈里,二号是个
In the less ostentatious house, No. 2 was a mystery.

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14. 然而,许多目击事件的确切原因仍然是个
However, the exact cause of many sightings still remains a mystery.

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15. 这对我来说是个
It's a mystery to me.

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16. 事实上有两个
There are two puzzles, in fact.

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17. 对方一直是个
The other side has been a mystery.

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18. 约克郡的人似乎很奇怪,玛莎对她来说总是个
Yorkshire people seemed strange, and Martha was always rather a puzzle to her.

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19. 关于语言的许多事情是一个,在将来仍会如此。
Many things about language are a mystery and will remain so.

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20. 接下来发生的事情的原因对于动物学家和自然学家来说仍然是个
The reason for what follows remains a mystery for zoologists and naturalists.

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21. 尽管这是当前研究的主题,但如何组合和感知整个图像仍然是一个
How the whole image is then assembled and perceived is still a mystery although it is the subject of current research.

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22. 你将如何做到这一点则是另一个,因为在实验过程中你们两人没有交流的机会。
How you'll do this is another mystery, as there is going to be no communication between the two of you during the experiment.

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23. 为什么这种微妙的变化会让某一些人感到沮丧,而另一些人却没有,这仍然是个
Why such subtle shifts make some people depressed and not others is a mystery.

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24. 冥王星不属于这两类,因为它离地球太远,体积又小,使得它的真正性质成为一个
Pluto is not included in either category, because its great distance from Earth and its small size make this planet's true nature a mystery.

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25. 大自然确实像一个,其中一些领域是科学技术无法触及的,至少在可预见的未来是这样。
Nature is indeed like a riddle, some areas of which are beyond the reach of science and technology, at least in the foreseeable future.

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26. 我们邀请解完的读者交出底。
We invited readers who completed the puzzle to send in their solutions.

《柯林斯英汉双解大词典》

27. 这名男子的身份还是个
The man's identity remains unknown.

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28. 在公开场合他一直是个
In public he remained inscrutable.

《柯林斯英汉双解大词典》

29. 他们通过设为他们的谈话和讨论增加乐趣。
They spiced their conversations and discussions with intrigue.

《柯林斯英汉双解大词典》

30. 他的死因是个
He died in mysterious circumstances.

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