e
nig
ma
复数形式
enigmas
1
谜, 神秘
the quality of being very challenging to explain or understand
- She always had an air of mystery around her, making her an enigma to even her closest friends.
她总是带着一种神秘的气息，使她即使对最亲密的朋友来说也是一个谜。
- The sudden disappearance of the airplane over the ocean is one of aviation's greatest enigmas.
飞机在海洋上突然消失是航空界最大的谜团之一。
- The missing artifact remained an enigma to the researchers.
失踪的文物对研究人员来说仍然是一个谜。
- Despite numerous theories, the cause of the phenomenon is still an enigma.
尽管有许多理论，但这一现象的原因仍然是一个谜。
- His motives for the decision were an enigma to his colleagues.
他做出这个决定的动机对他的同事来说是个谜。
2
谜, 神秘
a puzzling or mysterious issue or situation
- The coded letter from the spy was an enigma, and they needed their best cryptographer to decipher it.
间谍的编码信件是一个谜，他们需要他们最好的密码学家来破译它。
- The reason for the sudden disappearance of the species remains an enigma to scientists.
物种突然消失的原因对科学家来说仍然是一个谜。