unknown
adj. 未知的；陌生的，默默无闻的
n. 未知数；未知的事物，默默无闻的人
adj.
未知的；不出名的；从未发生的；从不存在的
n.
不知名或不出名的人；未知的事物；未知数；未知数
变形
复数：unknowns
英英释义
unknown[ 'ʌn'nəun ]
n.
an unknown and unexplored region
"they came like angels out the unknown"
同义词：unknown regionterra incognita
anyone who does not belong in the environment in which they are found
同义词：strangeralien
a variable whose values are solutions of an equation
同义词：unknown quantity
adj.
not known
"an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"
being or having an unknown or unnamed source
"a poem by an unknown author"
同义词：namelessunidentifiedunnamed
not known to exist
not famous or acclaimed
同义词：obscureunsung
not known before
"don't let anyone unknown into the house"
同义词：strange
词组短语
unknown number未知数
unknown soldier（美）阵亡的无名英雄
fever of unknown origin无明显病因的发烧
双语例句
用作形容词(adj.)
I braced myself for the unknown.
我准备好了去接受未知的命运。
Its greater part is unknown to me.
它的大部分对我是未知的。
He was an unknown novelist then.
当时他是位不出名的小说家。
No one could match the skill of the unknown carver.
没有哪个人的技艺能比得上那位不出名的雕刻家。
权威例句
Energy detection of unknown deterministic signalsThe Ki-67 protein: From the known and unknown
Teleporting an unknown quantum state via dual classical and EPR channels
On the Energy Detection of Unknown Signals Over Fading Channels
On the energy detection of unknown signals over fading channels
On the Kolmogorov-Smirnov Test for Normality with Mean and Variance Unknown
Testing for unit roots in autoregressive-moving average models of unknown order
Automatic processing of rotation diffraction data from crystals of initially unknown symmetry and cell constants
FastSLAM: An Efficient Solution to the Simultaneous Localization And Mapping Problem with Unknown Data
"Tests for parameter instability and structural change with unknown change point'' [Econometrics 61 (1993), no. 4, 821–826; MR12316...
unknown (adj.)
c. 1300, "strange, unfamiliar" (of persons, places), from un- (1) "not" + past participle of know (v.). Compare Old English ungecnawen. In reference to facts, "not discovered or found out," it attested from early 14c. The noun meaning "unknown person" is recorded from 1590s; the unknown "that which is unknown" is from 1650s.
1. The motive for the killing is unknown.
杀人的动机不明。
《柯林斯英汉双解大词典》
2. The immediate cause of death is unknown.
造成死亡的直接原因不明。
《牛津词典》
3. Unknown attackers riddled two homes with gunfire.
不明来路的袭击者用枪把两座房屋打得千疮百孔。
《柯林斯英汉双解大词典》
4. Ignorance of people brings fear, fear of the unknown.
人的无知带来了恐惧，对未知事物的恐惧。
《柯林斯英汉双解大词典》
5. A previously unknown extremist group has said it carried out Friday's bomb attack.
一个先前未知的极端分子组织声称其实施了周五的炸弹袭击。
《柯林斯英汉双解大词典》
6. She had known Max for some years now, but he was still pretty much an unknown quantity.
她现在认识马克斯也好几年了，但是他仍然是个大大的未知数。
《柯林斯英汉双解大词典》
7. It's dark and unknown.
它黑暗而未知。
youdao
8. His whereabouts have been utterly unknown so far.
迄今他的下落全然未知。
《新英汉大辞典》
9. I remember the fear and the panic of the unknown.
我记得那种对未知的恐慌感。
youdao
10. It urges us to explore the unknown domain of the universe.
它促使我们去探索宇宙的未知领域。
youdao
11. The author does imply this by talking about unknown species.
作者确实通过谈论未知物种暗示了这一点。
youdao
12. In Juan's world, the unknown and undiscovered was vast and marvelous.
在Juan的世界里，未知和未被发现的东西是广阔而不可思议的。
youdao
13. Bass may have perished there after years of wearisome and unknown labour.
男低音也许是在多年的劳累和默默无闻的劳动之后，才在那里绝迹的。
youdao
14. The man's identity remains unknown.
这名男子的身份还是个谜。
《牛津词典》
15. He was an unknown writer.
他是个没有名气的作家。
《柯林斯英汉双解大词典》
16. The fate of the three men is unknown.
这三个人命运未卜。
《牛津词典》
17. The authorship of the poem is unknown.
这首诗的作者不详。
《牛津词典》
18. A young unknown played the leading role.
演主角的是一个名不见经传的年轻人。
《牛津词典》
19. The author is virtually unknown outside Poland.
在波兰以外，这位作者实际上鲜为人知。
《牛津词典》
20. An unknown number of demonstrators were arrested.
不知多少示威者被逮捕了。
《柯林斯英汉双解大词典》
21. Retailers are taking no chances on unknown brands.
零售商们不在无名品牌上冒险。
《柯林斯英汉双解大词典》
22. Unknown to me, he had already signed the agreement.
他背着我已签了协议。
《牛津词典》
23. The letter had come from an unknown mischief-maker.
这封信来自一个匿名的离间者。
《柯林斯英汉双解大词典》
24. The verdict was murder by a person or persons unknown.
裁断是一人或多人谋杀，凶手身份未明。
《牛津词典》
25. The contract was awarded to a previously unknown company.
该合同给了一家先前不知名的公司。
《柯林斯英汉双解大词典》
26. He was trying, for some unknown reason , to count the stars.
不知何故，他试图数星星。
《牛津词典》
27. A hundred years ago coronary heart disease was virtually unknown in America.
100年前，冠心病在美国几乎从未有过。
《柯林斯英汉双解大词典》
28. Thanks to the automobile, Americans soon had a freedom of movement previously unknown.
由于有了汽车，美国人很快就获得了前所未有的行动自由。
《牛津词典》
29. Observe the unknown around you.
观察你周围的未知事物。
youdao
30. Luckily, our brains become stronger when meeting the unknown.
幸运的是，我们的大脑在遇到未知事物时变得更加强大。
youdao
unknown
