1·The invention of the vertical file remains an unsolved mystery.
立式文档的发明文件仍然是一个未解之谜。
2·The murder remained an unsolved mystery.
这件谋杀案还没有侦破。
3·The murder remained an unsolved mystery.
那个谋杀案仍然是个未解决的秘密。
4·The flying saucer is yet an unsolved mystery.
飞碟仍然是未解之谜。
5·The flying saucer is yet an unsolved mystery .
飞碟仍然是未解之谜。
6·Ageing is a fundamental, unsolved mystery in biology.
衰老是生物学中一个基本的、尚未解决的问题。
7·Unsolved Mystery: Which Pair of Death Eaters Are These?
没有解决的谜：他们是哪对食死徒？
8·These unique round impressions have remained an unsolved mystery.
有奇特的无字天书星象图，留下了无数的不解之谜。
9·1: Step Nine: Season 2 begins with Holmes and Watson traveling to London to help a former mentor investigate an unsolved mystery.
第1集：步骤九：2季开始与福尔摩斯和华森前往伦敦，以帮助前导师调查一个悬而未决的谜。
10·What could love, the unsolved mystery, count for in face of this possession of self-assertion which she suddenly recognized as the strongest impulse of her being!
什么可能爱，未解决的奥秘，计数为在她突然认可作为最强的冲动她是自作主张面前的这财产！