1
be an enigma to sb
His motives are an enigma to me.
他的动机对我来说是个谜。
谜；费解的人或事物
enigmas — plural of enigma
先理解核心含义，再看它在真实句子里的用法。
谜；费解的人或事物
a person or thing that is mysterious, puzzling, or difficult to understand
His motives are an enigma to me.
他的动机对我来说是个谜。
令人困惑、神秘或无法解释的事物或人
Something or someone puzzling, mysterious or inexplicable.
令人困惑且无法解释的事物
something that baffles understanding and cannot be explained
谜语或难题
A riddle, or a difficult problem.
一个难题
a difficult problem
The ancient manuscript remains an enigma to historians.
这份古代手稿对历史学家来说仍然是一个谜。
Her sudden disappearance is an enigma that no one can solve.
她的突然失踪是一个无人能解的谜。
The behavior of the new species is an enigma to biologists.
这个新物种的行为对生物学家来说是个谜。
His motives are an enigma to me.
他的动机对我来说是个谜。
The ancient ruins remain an enigma.
这些古代遗迹仍然是个谜。
The enigma of the universe fascinates scientists.
宇宙之谜令科学家着迷。
Not this
This problem is enigma.
Use this
This problem is an enigma.
enigma是可数名词，不能直接作表语，前面需要不定冠词'an'。
Not this
It is a enigma.
Use this
It is an enigma.
enigma以元音音素开头，不定冠词应用'an'而非'a'。
Not this
The enigma of the universe are fascinating.
Use this
The enigma of the universe is fascinating.
enigma是单数名词，谓语动词应用单数形式'is'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
仍然是一个谜
His motives remain an enigma.
他的动机仍然是一个谜。
解开谜团
Scientists have yet to solve the enigma of the ancient monument.
科学家们尚未解开这座古代遗迹的谜团。
完全是个谜
The origin of the signal is a complete enigma.
这个信号的来源完全是个谜。
……的谜团
The book explores the enigma of human consciousness.
这本书探讨了人类意识的谜团。
对……来说是个谜
The child's behavior was an enigma to his parents.
这个孩子的行为对他的父母来说是个谜。
谜中之谜（形容极为神秘、难以理解的事物）
The origin of the universe is a riddle wrapped in a mystery inside an enigma.
宇宙的起源是一个谜中之谜。
对某人来说是个谜
Why she left without a word was an enigma to her friends.
她为什么一声不吭地离开，对她的朋友们来说是个谜。
某事的谜团
The enigma of the lost city has fascinated explorers for centuries.
失落的城市的谜团几个世纪以来一直令探险家着迷。
我无法向你预测俄罗斯的行动。这是一个笼罩在神秘中的谜，而神秘本身又包裹在一个更大的谜团之中。
His motives remain an enigma to even his closest friends.
即使对他最亲密的朋友来说，他的动机仍然是个谜。
Use enigmas naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：二战 Enigma 密码机把信息变成谜，旁人无法看懂；enigma 即‘谜、费解的人或事物’。
语域：formal 常见场景：formal writing、literature、serious news analysis enigma 多用于正式或书面语境，常见于文学作品、新闻报道或严肃讨论中，用来形容难以理解或解释的人或事物。口语中较少用，但偶尔出现。
与 enigma 押韵的词：sigma /ˈsɪɡmə/、stigma /ˈstɪɡmə/，它们都以 /ɪɡmə/ 结尾。注意：enigmatic /ˌenɪɡˈmætɪk/ 拼写有相似处，但重音在 /mæt/ 上，读音与 enigma 不同，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.