unknowns

Unless they are documented and signed off , the project itself might have quite a few unknowns at the very onset .

除非将其形成文档，并最终签署确定，否则刚一开始项目本身就可能有很多未知的地方。

There are still a lot of unknowns about the current European outbreak , and it will likely be some time before they are all resolved .

欧洲目前的疫情还有很多未知的地方，在全都明朗化前可能还要一段时间。

The disease is as yet unknown in Europe .

这种疾病至今尚未在欧洲出现过。

A young unknown played the leading role .

演主角的是一个名不见经传的年轻人。

The man 's identity remains unknown .

这名男子的身份还是个谜。

He was trying , for some unknown reason , to count the stars .

不知何故，他试图数星星。

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。

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。

The author is virtually unknown outside Poland .

在波兰以外，这位作者实际上鲜为人知。

His whereabouts are / is still unknown .

他仍下落不明。

The authorship of the poem is unknown .

这首诗的作者不详。

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。

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。

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。

Once more he 's making a leap into the unknown without a plan .

他再次毫无计划地乱闯。

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。

The contract was awarded to a previously unknown company

合同签给了一个之前并不知名的公司。

Unknown thieves had forced their way into the apartment

不知名的窃贼破门闯入了公寓。

He is an unknown quantity for his rivals .

对于对手们而言，他是个未知数。

The timing of the attack , and its motivations , are unknown .

袭击发生的时间及其动机尚不清楚。

The condition is practically unknown outside psychiatry clinics .

除了医院的精神病科外，这种病几乎不为人知。

He was an unknown writer .

他是个名不见经传的作家。

The motive for the killing is unknown .

杀人动机不明。

It is not unknown for valuable display items to go , ahem , missing .

贵重的展品，呃哼，丢失的话，会众人皆知。

The letter had come from an unknown mischief-maker .

这封信来自一个匿名的离间者。

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？

My husband , for some unknown reason , suggested that I loved my birds more than him : as if I would

我丈夫，莫名其妙地，暗示我爱鸟甚于爱他：仿佛我真如此似的。

Unknown attackers riddled two homes with gunfire

来路不明的袭击者用枪炮将两处住宅打得千疮百孔。

The exact location of the plane crash is still unknown .

飞机失事的确切位置还不清楚。