a species of insect previously unknown to science
科學(xué)上以前尚未了解的一種昆蟲
牛津詞典
He was trying, for some unknown reason , to count the stars.
不知何故，他試圖數(shù)星星。
牛津詞典
The man's identity remains unknown.
這名男子的身份還是個謎。
牛津詞典
an unknown actor
沒有名氣的演員
牛津詞典
The author is virtually unknown outside Poland.
在波蘭以外，這位作者實際上鮮為人知。
牛津詞典
The disease is as yet unknown in Europe (= there have been no cases there) .
這種疾病至今尚未在歐洲出現(xiàn)過。
牛津詞典
It was not unknown for people to have to wait several hours (= it happened sometimes) .
人們得等幾個小時的事時有發(fā)生。
牛津詞典
Unknown to me, he had already signed the agreement.
他背著我已簽了協(xié)議。
牛津詞典
a journey into the unknown
探險之旅
牛津詞典
a fear of the unknown
對未知事物的恐懼
牛津詞典
A young unknown played the leading role.
演主角的是一個名不見經(jīng)傳的年輕人。
牛津詞典
There are so many unknowns in the proposal.
這項提案中的未知數(shù)太多了。
牛津詞典
X and Y in the equation are both unknowns.
等式中的X和Y都是未知數(shù)。
牛津詞典
An unknown number of demonstrators were arrested...
有數(shù)目不詳?shù)氖就咴獾搅舜丁?/p>
How did you expect us to proceed on such a perilous expedition, through unknown terrain...
你怎么能指望我們?nèi)绱嗣半U地穿越未知的地域，繼續(xù)這一探險？
Unknown thieves had forced their way into the apartment...
不知名的竊賊破門闖入了公寓。
I could not understand how someone with so many awards could be unknown to me.
我想不通自己竟然不認識獲了這么多獎的人。
He was an unknown writer.
他是個名不見經(jīng)傳的作家。
...a popular environment where both established and unknown artists can meet, talk and drink.
成名和未成名的藝術(shù)家都可以聚會、聊天及喝酒的一處熱門場所
A hundred years ago coronary heart disease was virtually unknown in Europe and America.
在100年前冠心病幾乎不存在于歐洲和美洲。
Ignorance of people brings fear, fear of the unknown.
人們的無知會帶來恐懼，對未知事物的恐懼。
Matter is an unknown somewhat.
物質(zhì)是某種不明的東西.
《現(xiàn)代英漢綜合大詞典》
Motherhood was for her a journey into the unknown.
做母親當(dāng)時對她來說是開始一次探險之旅.
《簡明英漢詞典》
Those who dared to launch out beyond the unknown waters became the discoverers of new lands.
那些敢于去人跡未至的海域航行的人成了新陸地的發(fā)現(xiàn)者.
《簡明英漢詞典》
The outcome of their discussion is still unknown.
他們討論的結(jié)果仍然不清楚.
《現(xiàn)代英漢綜合大詞典》
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
出自-2017年6月聽力原文According to Leslie, those who ridiculed former Defense Secretary Donald Rumsfeld for his 2002 remark that we have to be wary of the unknown unknowns were mistaken.
2017年12月四級真題（第二套）閱讀 Section BWhat distinguishes a depression from a harsh recession is paralyzing fear - fear of the unknown so great that it causes consumers, businesses, and investors to retreat and panic.
出自-2013年6月閱讀原文These "thought experiments" were pages of calculations signed and submitted to the prestigious journal Annalen der Physik by a virtual unknown.
出自-2010年12月閱讀原文Into the Unknown The world has never seen population ageing before
出自-2010年12月閱讀原文Andrew Miller thinks social media needs more attention than banks mainly because it remains unknown how users' data will be taken advantage of.
2016年高考英語上海卷 閱讀理解 閱讀C 題設(shè)But how they're doing it is still unknown.
2015年高考英語北京卷 閱讀理解 閱讀C 原文Granddaughter Gayle Parks, 31—who works alongside her in the family business—said it remained unknown as to who nominated Irene for the award.
2019年高考英語全國卷2 語法填空 原文I could only have left it on the G9 bus, which was now speeding in the dark to some unknown station.
2019年高考英語天津卷 完形填空 原文I guess that there's probably some demanding work schedule, or social anxiety around stepping up to help for an unknown sport.
2019年高考英語全國卷2 閱讀理解 閱讀B 原文In theory, they should live by the French law is often ignored or unknown, thus making them into an interesting area of "lawlessness" in the world.
2016年高考英語四川卷 閱讀理解 閱讀C 原文Stress used to be an almost unknown word, but now that we are used to talking about it, I have found that people are beginning to get stressed about being stressed.
2016年高考英語上海卷 語法填空 B 原文The music allowed me to learn that teaching is about sharing and respect, tears and smiles, the knowing and the unknown and, most of all, an understanding of each other.
2015年高考英語湖南卷 完形填空 原文When most of us get a text message on our cell phone from an unknown person, we usually say "Sorry?"
2018年高考英語全國卷3 完形填空 原文Yet only one of his books is now in print, and his vast body of writings on music is unknown save to specialists.
出自-2010年考研閱讀原文"they came like angels out the unknown"
"an unknown amount"
"an unknown island"
"an unknown writer"
"an unknown source"
"a poem by an unknown author"
"corporations responsible to nameless owners"
"an unnamed donor"
"things obscurely felt surged up from unsuspected depths in her"- Edith Wharton
"an obscure family"
"unsung heroes of the war"
"used many strange words"
"saw many strange faces in the crowd"
"don't let anyone unknown into the house"
unexploredquestionmysteryxvirginconundrumterritoryriddlepuzzlesecretbookdeeparcanumclosedsoilunknownfactor
unascertainedunmeasuredunidentifiedunsetundefinedindeterminateunfixedunsettledundecideduncalculatedundeterminedunestablished
undiscoveredunfamousuntracedunrecognizedunnamedunheard-ofunfamiliarnamelessuntrackedundistinguisheduntraveledunnoticedanonymousunchartedunexplored
inscrutablearcaneunrevealedundisclosedannouncedmysterioushermeticalsecretpuzzlingcrypticobscureenigmaticdarkenigmaticaluntoldtobehidden