an unexplained mystery
解释不清的奥妙
He died in unexplained circumstances.
他死因不明。
1.未作解释的
1.an unexplained event seems to have no explanation or reason
1.There is some unexplained shouting and the tinny, amplified voice of a woman who seems to be warning people to stay indoors.
耳边时常还转来莫名的叫喊和透过扩音器所发出的尖细的女性声音——她似乎警告人们，要呆在室内不要外出。
2.Unexplained noises can be cause by anything as simple as a tree scratching against your window to the wind.
出现不明响声的原因很简单，可能是刮风时，树枝刮擦窗户发出的声音；
3.It is unusual for letters to go walkabout (get lost)for that long, of course, but unexplained delays of a day or two are common.
当然，信件丢失那么长是罕见的，但莫名地延迟一两天是普遍的。
4.In cases where important Mafia figures were involved, jurors had been known to disappear or to have unexplained fatal accidents.
以往，在审讯涉及黑手党的骨干分子时，陪审员常常莫名其妙地失踪，或者是碰上了致命的事故。
5.Recent studies have established that this explanation is incorrect, but have left the phenomenon unexplained.
最近的研究证明，这种解释是不正确的，但已离开的现象，原因不明。
6.There is often an event, such as an unexplained fall, that alerts the person to the fact that something is wrong.
通常是某件事，如不明不白地摔了一跤，提醒患者身体出了什么问题。
7.The analysis found a significant association between sudden unexplained death and the use of a stimulant at the time of death.
研究分析发现死时在原因不明的猝死和兴奋剂的使用上存在显著相关。
8.the reason for her summons was as yet unexplained.
她召见的原因至今尚不清楚。
9.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。
10.Grand Admiral Takel had an unexplained ability to predict the maneuvers of the enemy, using his Star Destroyer, Magic Dragon.
帝国元帅塔科有一种难以解释的能力，他能够预测敌人的遣兵布阵，并针对这一点运用自己的歼星舰“魔龙”号。