1610s, "full of mystery," from Latin mysterium (see mystery (n.1)) + -ous. Related: Mysteriously; mysteriousness. Earlier in same sense was mysterial (early 15c.), from Late Latin mysterialis.
权威例句
1. Soon they were dead, victims of a mysterious poisoner.
不久他们就死了,是一个神秘的投毒者下的手。
2. A mysterious illness confined him to bed for over a month.
他得了一种神秘的怪病,卧床有一个多月。
3. As for his job — well, he was very mysterious about it.
至于他的工作,他总是显得非常神秘,从不多说。
4. The papers ran speculative stories about the mysterious disappearance of Eddie Donagan.
各家报纸都刊登了有关埃迪·多纳根神秘失踪的猜测性报道。
5. That expressionless face had seemed deep and mysterious.