He died in unexplained circumstances.

他死因不明。

An unexplained death is difficult to come to terms with.

原因不明的死亡是难以接受的。

The city's water supply has been cut for unexplained reasons.

城市的供水被莫名其妙地切断了。

They realized that the official explanation left facts unexplained.

他们意识到那个对外宣称的解释没有对事实做出解释。

One Lascaux narrative picture, which shows a man with a birdlike head and a wounded animal, would seem to lend credence to this third opinion, but there is still much that remains unexplained.

一幅拉斯科岩洞叙事画描绘了一个头部像鸟的人和一只受伤的动物的故事，这似乎证实了第三种观点，但仍有许多未解之谜。

The crash is unexplained by the discipline of economics.

飞机坠毁原因不明，是由经济学的学科。

But sudden, unexplained weight loss can be even more worrisome.

不过原因不明的体重突降也许更值得担。

One of the country's grand old gunmen dies in an unexplained fire.

一名伟大的军人死于一场无法解释的火灾。

Unexplained trend maybe due to warming, natural cycles, expert says.

专家认为，这个暂无法解释的趋势可能与气候变暖和自然环流有关。

After investigation, around 5 per cent of reports remain unexplained.

经过调查后，约有5%的报告仍旧悬而未决。

Truthfully, there have been some unexplained occurrences around the house.

老实说，这房子的周围有一些无法解释的现象发生。

The bulk of evidence for such "unexplained" reports are eyewitness accounts.

大量的“无法解释的”证据都是目击者叙述的。

If you have persistent, unexplained fatigue, ask your doctor about being tested for diabetes.

如果你感到莫名的疲劳，而且持续时间较长，问问医生是否需要检查血糖。

Fans have lived through dozens of complicated plot twists, many of them mysterious and unexplained.

剧迷们已经经历了数十个复杂的叙事转折点，多数都神秘莫测、未予解释。

If there is something unexplained, he pursues it, trying to provide an answer, if not the answer.

如果有某件事无法解释，他就会追查下去，如果没有答案就设法给出一个答案。

If I've left something out or left something confusing or unexplained, I hope you'll let me know.

如果我有什么遗漏或者没有解释清楚的地方，我希望你能告诉我。

The Earth is a mysterious place. There is much going on around us every day that goes unexplained.

地球是个神秘莫测的所在，周遭日常的许多事物至今仍然没有解释。

Also left unexplained was why railway signals did not stop the second train before it hit the first one.

另外，在第二辆列车冲向第一辆列车前，为何没有铁路信号加以阻止。 这也同样令人匪夷所思。

Amy Winehouse's death was confirmed by police, who have described the cause of her death as "unexplained".

警方已经证实了艾米·怀恩·豪斯的死亡，但目前死亡原因还不得而知。

It now unfolds, unadorned and mostly unexplained, in displays of hair, shoes and other remains of the dead.

如今它面向世界，原原本本地、更是无须赘述地向世人展示着那些死者的头发、鞋子和其它遗物。

They don't capture the large number of primary-care patients-about 25 percent-with unexplained medical symptoms.

他们不包括高达百分之二十五左右的有不明原因症状的初级保健病人。

In fact, they almost always invoke a skyhook, some unexplained result without which the entire structure collapses.

事实上，他们几乎总是产生出一个天钩，那是某种无法解释的结果，没有它整体就要坍塌。

They then exchanged I love you's and as well as their secret code 'KKLB', which a giggling Mariah left unexplained.

然后他们互相说了“我爱你”。玛丽亚咯咯地笑着说了他们的暗号“KKLB”，但没有做解释。

With unexplained hair loss, there’s not one trigger for every person and there’s not one treatment for every person.

对于无法解释的头发缺失，没有一种起因可以归因于每个人，也没有那么一种治疗方法适合每个人。

For Japan the news was the piece of a jigsaw that went towards solving the puzzle of numerous unexplained disappearances.

对于日本而言，这个消息就如同拼图上的关键一角，为解决多起原因不明的失踪案件提供了线索。

Too many mysteries of the deep remain unexplained and, anyway, no country turns down a chance to enlarge its sovereignty.

太多深海的秘密依然未被揭示，而且，不管怎样，没有一个国家会放弃扩张主权的机会。

For reasons that are so far unexplained, there are many regions where tsetse flies are found, but sleeping sickness is not.

出于迄今未得到解释的原因，在存在采采蝇的许多地区并未发现昏睡病。