We were driving to an unknown place, on an unknown errand.

我们既不知道上哪里去，又不知道去做什么。

But actually, still to have had so many unknowns.

但其实，还有那么多的未知。

Chris Lewicki has faced these unknowns.

克里斯·刘易基要面对这些未知数。

You know, it isn't the unknown.

你知道，它们经过训练的。

And things unknown proposed as things forgot.

教育人类，必须以潜移默化的方式；对方未知事权当他遗忘了而已。

With this previously unknown galactic government?

你不和我们讲一下？

There are still many unknowns and the more scientists uncover, the more questions arise.

还有很多未知因素，科学家发现的越多，问题就越多。

Which means this bump could represent a new particle previously unknown to scientists.

这意味着这次“撞击”可能代表着科学家们前所未知的一个新粒子。

How much Syed can count on Tunisia's security forces is another unknown.

赛义德能在多大程度上依赖突尼斯的安全部队则另一个未知数。

The toughest part about being a flipper is really the unknown and the what-if.

炒房最困难的部分其实未知和。

We accept it and we believe that there are still a lot of issues unknown.

我们接受它，但我们认为仍然有很多未知的问题。

What is out there that is unknown can propel us to do more.

未知的事情能激励我们做更多的事。

Jiuzhaigou was virtually unknown until the 1970s.

事实上，直到1970年代，九寨沟才为人所知。

This is designed for exploration in unknown territory, completely unknown territory, and search for biological live.

它被计用于未知的地方险，完全未知的地方，搜索生命。

The impact on health is as yet unknown.

目前尚不明确血液中的微塑料对健康的影响。

" There are too many unknown words! "

“不认识的单词太多了！”

I mean, the Fear of the Unknown.

我的意思，对未知事物的恐惧。

Books made of papyrus were unknown to the Mesopotamians.

人们在美索不达米亚不曾发现过莎草纸书。

The effect on the body is unknown.

它们给身体带来的影响尚不清楚。

But there are a lot of unknowns.

但还有很多未知数。