something strange or not known that has not yet been explained or understood

How the massive stones were brought here from hundreds of miles away is/remains a mystery. 巨石是怎样从几百英里之外运到这里来的仍是个谜。

The mystery was solved when the police discovered the murder weapon. 警察找到凶器后，谜团便解开了。

The book tries to explain some of the mysteries of life. 该书试图解释一些生命之谜。

The details of the scandal remain cloaked/shrouded/wrapped in mystery. 丑闻的详情仍然不明／是一个谜／披着神秘的面纱。

It's a complete mystery (to me) that/why (= I do not understand why) she married him at all! 我完全弄不懂她怎么会嫁给他！

a book, film, or play, especially about a crime or a murder, with a surprise ending that explains all the strange events that have happened

I really enjoy murder mysteries. 我很爱看谋杀推理作品。

a mystery writer 侦探小说作家