unknown的意思

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热心网友时间：2024-11-08 23:33

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

牛津词典

adj.

未知的；不详的；未被确认的
not known or identifieda 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。不出名的；无名的
not famous or well knownan 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。从未发生的；从不存在的
never happening or existingThe 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。

noun

未知的地方（或事物）
places or things that are not known abouta journey into the unknown
探险之旅a fear of the unknown
对未知事物的恐惧无名者；不出名的人
a person who is not well knownA young unknown played the leading role.
演主角的是一个名不见经传的年轻人。不明的情况；未知的因素
a fact or an influence that is not knownThere are so many unknowns in the proposal.
这项提案中的未知数太多了。未知数；未知量
a quantity that does not have a known valueX and Y in the equation are both unknowns.
等式中的X和Y都是未知数。