unexplained

adj.

1. 原因不详的；未解释的；未说明的
   for which the reason or cause is not known; that has not been explained
   1. an unexplained mystery
      解释不清的奥妙
   2. He died in unexplained circumstances.
      他死因不明。

1. ADJ 莫名其妙的；原因不明的
   If you describe something as unexplained, you mean that the reason for it or cause of it is unclear or is not known.
   1. The demonstrations were provoked by the unexplained death of an opposition leader...
      一位反对派领袖莫名身亡，引发了示威游行。
   2. Soon after leaving Margate, for some unexplained reason, the train was brought to a standstill...
      离开马盖特不久，不知什么原因，火车突然停了下来。
   3. How such extensive damage could have been sustained so quickly remains unexplained.
      如何这么快就造成这么大的破坏依然不得而知。

1. The demonstrations were provoked by the unexplained death of an opposition leader
   一位反对派领袖莫名身亡，引发了示威游行。
2. Soon after leaving Margate, for some unexplained reason, the train was brought to a standstill
   离开马盖特不久，不知什么原因，火车突然停了下来。
3. How such extensive damage could have been sustained so quickly remains unexplained.
   如何这么快就造成这么大的破坏依然不得而知。
4. Many other unexplained nonparasitic disease of different plant species were shown to result from born deficiency.
   许多植物的其它不能解释的非寄生性病害均表明为缺硼所致。
5. Extreme fatigue, unexplained fevers, and bone or joint pain are other common symptoms.
   极度疲劳，无缘无故地发烧，骨头或关节疼痛，是另外的常见症状。
6. Addressing his unexplained absence, Mr Putin said simply: Life would be boring without gossip.
   对于自己未经解释的消失，普京只说了一句：没有八卦的生活将是无聊的。
7. The most common medically unexplained ones are fatigue, back pain, headache and abdominal pain, doctors say.
   最常见的有疲劳、背部疼痛、头疼和腹痛，医生说。
8. Medically unexplained symptoms are strikingly common.
   医学上无法解释的症状极其普遍。
9. So his unexplained absence fueled speculation about his health, grip on power and even his love life.
   所以，他毫无缘由的消失于公众的视野中，让人们对他的健康，他的权力掌控，甚至他的爱情生活产生了怀疑。
10. Endocarditis should be considered in any patient with an unexplained fever and a heart murmur.
    任何一个出现不明热和心脏杂音的病人都应考虑是否有心内膜炎。
11. We can think of each observation as being made up of an explained part, and an unexplained part.
    我们可把每一次观测看作由被解释部分和未解释部分构成。
12. There have been unexplained horse deaths in Kentucky before.
    肯塔基州过去也有过无法解释的马匹死亡。
13. Most of patients with unexplained syncope had VS. Unlike nonspecific lightheadedness or dizziness, vertigo has relatively few causes.
    结论：不明原因晕厥患者中血管迷走神经性晕厥（VS）占大多数；眩晕与头昏眼花及头昏情形不同，是由一些特有的原因所导致的。
14. They also say the discovery opens the way for more study of some of the unexplained matter.
    他们还说这一发现为进一步研究一些无法解释的物质打开了门路。
15. They disclose a most grave and as yet unexplained tendency.
    它们揭露了一种极其严重迄今尚难解释的倾向。
16. Most unexplained stillbirths occur inapparently low-risk pregnancies.
    大部分未能解释的死产都发生于低风险妊娠。
17. A few weeks unexplained fever and night sweats.
    数周以来不明原因发热和盗汗。
18. He has noticed excessive sweating and unexplained tiredness.
    他体会到过度的出汗和难以解释的疲倦。
19. Sudden unexplained death syndrome So I suggest we have Chen Ming.
    不明原因瘁死综合症因此，我建议选陈明。
20. It may also be used in cases of unexplained infertility and to overcome some male fertility problems.
    它也可用于案件出现原因不明的不育症和克服一些男性生育的问题。
21. We were told you had an unexplained death here.
    他们告诉我们这里发生了一件无法解释的死亡事件。
22. And old, unexplained men.
    和一个难以理解的老男人。
23. Unexplained encephalitis should be investigated, and encephalitis hospitalizations should be subject to statutory notification in Australia.
    在澳大利亚对未知病因的脑炎应当进行调查，同时对患脑炎住院的患者应当进行法定的申报。
24. Subprime exposure can remain buried and unexplained for months.
    未来数月，对次级市场的投资状况可能仍被隐匿，得不到解释。
25. SCULLY: I believe they have to do with unexplained phenomena.
    我相信它们与不可解释的现象有关。
26. Objective To analyze of the role of peripheral blood T-cell subsets in unexplained habitual abortion ( UHA).
    目的分析外周血T细胞亚群改变在原因不明习惯性流产（UHA）发病中的可能作用。
27. Objective To evaluate the clinical evidence of treatment for unexplained infertility.
    目的对原因不明性不孕治疗的相关临床研究证据进行评价。
28. This child had unexplained feer and cough for2 weeks after antibiotic therapy for pneumonia.
    这是一位在抗生素治疗肺炎2周后仍明不原因发热伴咳嗽的患儿。
29. I must assume that unexplained.
    我不得不认为某些无法解释的。
30. Relationship between Unexplained Chest Distress and ( or) Chest Pain in Children and Head-Up Tilt Test
    儿童不明原因胸闷和（或）胸痛与直立倾斜试验的关系

adj

1. having the reason or cause not made clear
   1. an unexplained error

2. not explained
   1. accomplished by some unexplained process