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not known or identified 未知的;不详的;未被确认的 A previously unknown group claimed responsibility for the bombing. 一个以前不为人知的团体声称对爆炸事件负责。 He was trying, for some unknown reason, to count the stars. 不知何故,他试图数星星。 The man's identity remains unknown. 这名男子的身份还是个谜。 An unknown number of civilians were killed or injured in the attack. 袭击中有数量不明的平民伤亡。 patients suffering from fevers of unknown origin 不明原因发烧的病人 - unknown to somebody/something
a species of insect hitherto unknown to science 一种科学上迄今未知的昆虫
Extra ExamplesHis whereabouts were quite unknown during this period. 这一时期他几乎是下落不明。 She departed for parts unknown (= nobody knew where she was going). 她离开了,不知去了什么地方。 These sites remain largely unknown to the British public. 这些场所基本上一直不为英国公众所知。
Oxford Collocations Dictionaryverbs- be
- remain
- completely
- entirely
- quite
- …
- to
- for parts unknown
- to parts unknown
- for reasons unknown
- …
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(of people )人 not famous or well known 不出名的;无名的 She was then still relatively unknown. 她那时候还不怎么出名。 The author is virtually unknown outside Poland. 在波兰以外,这位作者实际上鲜为人知。 a film with a largely unknown cast 演员阵容鲜为人知的电影 an unknown actor 没有名气的演员
Oxford Collocations Dictionaryverbs- be
- remain
- completely
- entirely
- quite
- …
- to
- for parts unknown
- to parts unknown
- for reasons unknown
- …
-
never happening or existing 从未发生的;从不存在的 - unknown in…
The disease is as yet unknown in Europe (= there have been no cases there). 这种疾病至今尚未在欧洲出现过。 - it is unknown for somebody/something to do something
It was not unknown for people to have to wait several hours (= it happened sometimes). 人们得等几个小时的事时有发生。 It is virtually unknown for foxes to attack anyone. 狐狸袭击任何人几乎是未知的。 a period of democratic development unknown in their country until now 一段民主发展的时期,在他们的国家里至今还不为人所知
Oxford Collocations Dictionaryverbs- be
- remain
- completely
- entirely
- quite
- …
- to
- for parts unknown
- to parts unknown
- for reasons unknown
- …
- unknown in…