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unknown

 生词本
去背诵
英 [ˌʌn'nəʊn]
美 [ʌnˈnon]

adj.

n.

网 络
  • 场景类型；
  • 未知；
  • 未知的；
  • 未知数
报  错
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1. The authorship of the poem is unknown.
这首诗的作者不详。

来自《权威词典》

2. The fate of the three men is unknown.
这三个人命运未卜。

来自《权威词典》

3. a hitherto unknown species of moth
迄今仍属未知种类的蛾

来自《权威词典》

4. a species of insect previously unknown to science
科学上以前尚未了解的一种昆虫

来自《权威词典》

5. the tomb of the Unknown Soldier
无名战士墓

来自《权威词典》

查看更多例句>>
1. ADJ 不知道的；不了解的；未知的 If something is unknown to 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。

  • An unknown is 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。

2. ADJ 不认识的；不熟悉的；陌生的 An unknown person 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。

3. ADJ-GRADED 不出名的；无人知晓的；未获公众认可的 An unknown person 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

  • An unknown is 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。

4. ADJ 从未发生的；从未存在的 If you say that a particular problem or situation is unknown, 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。

5. N-SING （总称）未知事物，不为人知的地方 The unknown refers 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。

adj.

1. 未知的

  • An unknown man has stolen all her money.
  • 一个陌生人把她的钱偷光了。

2. 不出名的, 知名度不高的

  • Until last year he was still an unknown singer, but now his name has become a household word.
  • 去年以前他还一直是位默默无闻的歌手, 可如今他的名字已家喻户晓了。

3. 从未发生的；从不存在的

n.

1. 不知名或不出名的人； 未知的事物

  • There are many unknowns in science.
  • 科学上还有许多未知之处。

2. <数>未知数

3. 未知数；不知底细的人(或事物)

  • His ability to make decisions in a crisis is an unknown quantity.
  • 他在危机中作决定的能力还是个未知数。
  • Our new director is still an unknown quantity.
  • 我们对新来的主管知之甚少。

4. 尚不知道；把…蒙在鼓里

  • Unknown to me, he had already signed the agreement.
  • 他背着我已签了协议。
Noun

1. an unknown and unexplored region;

  • "they came like angels out the unknown"

2. anyone who does not belong in the environment in which they are found

3. a variable whose values are solutions of an equation

Adjective

1. not known;

  • "an unknown amount"
  • "an unknown island"
  • "an unknown writer"
  • "an unknown source"

2. being or having an unknown or unnamed source;

  • "a poem by an unknown author"
  • "corporations responsible to nameless owners"
  • "an unnamed donor"

3. not known to exist;

  • "things obscurely felt surged up from unsuspected depths in her"- Edith Wharton

4. not famous or acclaimed;

  • "an obscure family"
  • "unsung heroes of the war"

5. not known before;

  • "used many strange words"
  • "saw many strange faces in the crowd"
  • "don't let anyone unknown into the house"
土木工程
<名>
  • 1.未知量

1. 场景类型

2. 未知

3. 未知的

4. 未知数

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