unknown
英 [ˌʌnˈnəʊn]
美 [ˌʌnˈnoʊn]
adj. 未知的; 不详的; 未被确认的; 不出名的; 无名的; 从未发生的; 从不存在的
n. 未知的地方(或事物); 无名者; 不出名的人; 不明的情况; 未知的因素
复数:unknowns
Oxford 3000 / Collins.3 / BNC.2087 / COCA.2825
习惯用语
adj.
- an unknown quantity
- 未知数(指尚不清楚,有待证实的人或事物)
a person or thing whose qualities or abilities are not yet known unknown to sb - …尚不知道;把…蒙在鼓里
without the person mentioned being aware of it - Unknown to me, he had already signed the agreement.
他背着我已签了协议。
牛津词典
adj.
- 未知的;不详的;未被确认的
not known or identified- a species of insect previously unknown to science
科学上以前尚未了解的一种昆虫 - 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。
- a species of insect previously unknown to science
- 不出名的;无名的
not famous or well known- an unknown actor
没有名气的演员 - The author is virtually unknown outside Poland.
在波兰以外,这位作者实际上鲜为人知。
- an unknown actor
- 从未发生的;从不存在的
never happening or existing- 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 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。
- The disease is as yet unknown in Europe (= there have been no cases there) .
noun
- 未知的地方(或事物)
places or things that are not known about- a journey into the unknown
探险之旅 - a fear of the unknown
对未知事物的恐惧
- a journey into the unknown
- 无名者;不出名的人
a person who is not well known- A young unknown played the leading role.
演主角的是一个名不见经传的年轻人。
- A young unknown played the leading role.
- 不明的情况;未知的因素
a fact or an influence that is not known- There are so many unknowns in the proposal.
这项提案中的未知数太多了。
- There are so many unknowns in the proposal.
- 未知数;未知量
a quantity that does not have a known value- X and Y in the equation are both unknowns.
等式中的X和Y都是未知数。
- X and Y in the equation are both unknowns.
柯林斯词典
- ADJ 不知道的;不了解的;未知的
If something isunknownto you, you have no knowledge of it.- An unknown number of demonstrators were arrested...
有数目不详的示威者遭到了逮捕。 - How did you expect us to proceed on such a perilous expedition, through unknown terrain...
你怎么能指望我们如此冒险地穿越未知的地域,继续这一探险? - The motive for the killing is unknown.
杀人动机不明。 - Anunknownis something that is unknown.
未知的事物 - The length of the war is one of the biggest unknowns.
战争要持续多久是最大的未知数之一。
- An unknown number of demonstrators were arrested...
- ADJ 不认识的;不熟悉的;陌生的
Anunknownperson is someone whose name you do not know or whose character you do not know anything about.- Unknown thieves had forced their way into the apartment...
不知名的窃贼破门闯入了公寓。 - I could not understand how someone with so many awards could be unknown to me.
我想不通自己竟然不认识获了这么多奖的人。
- Unknown thieves had forced their way into the apartment...
- ADJ-GRADED 不出名的;无人知晓的;未获公众认可的
Anunknownperson is not famous or publicly recognized.- He was an unknown writer.
他是个名不见经传的作家。 - ...a popular environment where both established and unknown artists can meet, talk and drink.
成名和未成名的艺术家都可以聚会、聊天及喝酒的一处热门场所 - Anunknownis a person who is unknown.
不出名的人 - Within a short space of time a group of complete unknowns had established a wholly original form of humour.
在很短的一段时间内,一群完全籍籍无名之辈创立了一种全新的幽默形式。
- He was an unknown writer.
- ADJ 从未发生的;从未存在的
If you say that a particular problem or situation isunknown, you mean that it never occurs.- A hundred years ago coronary heart disease was virtually unknown in Europe and America.
在100年前冠心病几乎不存在于欧洲和美洲。
- A hundred years ago coronary heart disease was virtually unknown in Europe and America.
- N-SING (总称)未知事物,不为人知的地方
The unknownrefers generally to things or places that people do not know about or understand.- Ignorance of people brings fear, fear of the unknown.
人们的无知会带来恐惧,对未知事物的恐惧。
- Ignorance of people brings fear, fear of the unknown.
英英释义
noun
- a variable whose values are solutions of an equation
- an unknown and unexplored region
- they came like angels out the unknown
- anyone who does not belong in the environment in which they are found
adj
- being or having an unknown or unnamed source
- a poem by an unknown author
- corporations responsible to nameless owners
- an unnamed donor
- not known before
- used many strange words
- saw many strange faces in the crowd
- don't let anyone unknown into the house
- not famous or acclaimed
- an obscure family
- unsung heroes of the war
- not known
- an unknown amount
- an unknown island
- an unknown writer
- an unknown source
- not known to exist
- things obscurely felt surged up from unknown depths
双语例句
- His whereabouts have been utterly unknown so far.
迄今他的下落全然未知。 - A hundred years ago coronary heart disease was virtually unknown in Europe and America.
在100年前冠心病几乎不存在于欧洲和美洲。 - Exactly which bacteria cause the infection is still unknown.
到底是什么细菌引起的感染还不清楚。 - The whereabouts of this man is unknown.
这个人去向不明。 - An unknown number of demonstrators were arrested
有数目不详的示威者遭到了逮捕。 - This truck is of unknown origin.
这辆卡车来历不明。 - His present whereabouts is unknown.; His whereabouts is uncertain.
他目前下落不明。 - Unknown thieves had forced their way into the apartment
不知名的窃贼破门闯入了公寓。 - His present whereabouts is unknown.
他去处不明。 - A previously unknown extremist group has said it carried out Friday's bomb attack.
一个先前不为人知的极端组织声称实施了星期五的炸弹袭击。