enigma
US /əˈnɪɡ.mə/
UK /ɪˈnɪɡ.mə/
名词
谜, 费解的事物
a person or thing that is mysterious, puzzling, or difficult to understand
示例:
•
The disappearance of the ancient civilization remains an enigma to historians.
古代文明的消失对历史学家来说仍然是一个谜。
•
Her sudden change in behavior was an absolute enigma to everyone.
她行为的突然改变对所有人来说都是一个绝对的谜。