They are more fallible, it's definitely an uncertain time.

他们更容易犯错误，这是个不确定的时代。

This was a speech to college students fearful about their future in an uncertain world.

这是对将踏入个充满不确定的世界、对未来充满恐惧的学生们所做的演讲。

Though the future seems obscure now, Mr Right must be waiting for me.

虽然未来充满了不确定，但是我的白马王子定正在某个地方等着我。

But NASA's astronomers remain unsure whether it is predominantly gaseous, liquid or solid.

但是NASA天文学家们还不确定它的主要成分是气体，液体还是固体。

Speculating means talking about something you aren't sure about.

推测的意思是谈论你不确定的事情。

Things won't always end up as you think, but you will gain valuable lessons along life's uncertain path.

事情的结果未必如你们所想，但在不确定的人生道路上，你们将获得宝贵的经验与教训。

" Don't touch that dial! " I shouted, " I want to find out how the mystery turns out! " I am not sure I got my point to cross.

“别换台！”我大喊，“我要找出谜底是什么！”我不确定己的观点能说的通了。

Moffitt said it's still unclear why some children have better self-control than others, though she says other researchers have found that it's mostly a learned behavior, with relatively little genetic influence.

Moffitt说还不确定为何有些小孩的力会比其他小孩好，不过她说另外些研究者已经发是后天行为，基因影响相对较小。

So it means starting an illness — an indefinite Illness.

所以它的意思是开始生病——种不确定的疾病。

The future of the ISS is uncertain.

国际空间站的未来是不确定的。

The process of separation is still scheduled to begin on March 29th but without an agreement in place it would be what's called a no deal Brexit, a disorderly, uncertain separation that could hurt the British economy at least temporarily.

分离过程仍定于3月29日开始，但如果没有达成协议，这将是所谓的不达成协议的脱欧---- 种无序、不确定的分离，至少只是暂时伤害英国经济。

If you can't find their name or if you aren't sure about their name, you should instead start with, " Dear Sir or Madam, " or, " Dear Hiring Manager, " or, " Dear Recruiting Manager, " or even, " Dear Human Resources Professional" .

如果你找不到他们的名字，或者不确定他们的名字，你应该以“亲爱的先生或女士”或“亲爱的招聘经理”或“亲爱的招募经理”或者甚至是“亲爱的人力资源专业人士”开头。

Doctors are also unsure about how long vaccine protection lasts against COVID.

医生们也不确定针对新冠病毒的疫苗能有效多久。

It forces us to revisit the hidden past or confront an uncertain future.

我们会被迫要重新回想被藏起来的过去，或者正视面对不确定的未来。

If you're not sure about any of these and you want a little bit more practice, come to www.engvid.com, there's a quiz there that you can practice these.

如果你不确定其中的任何个，你想要更多的练习，请访问www.engvid.com，这里有个测试，你可以练习。

The big uncertainty is what the President will be prepared to sign.

特朗普将会如何签署这份协议成为了个很大的不确定因素。

If you're skeptical, the easiest thing to do is search for the same story elsewhere.

如果你不确定，最简单的办法就是在其他地方看看有没有相同的新闻。

Everyday is uncertain. The only certain day was yesterday.

每天都是不确定的。唯确定的日子是昨天。

When I sat where you are sitting today, I never thought I would work in technology, but somewhere along that uncertain path, I learned new lessons and became a technologist.

我们必须处理好这个问题，因为我们需要技术来解决最大的挑战。当我坐在你们今天所坐的位置时，我从未想过己会进入技术行业，但在那条不确定的道路上，我学到了新的经验教训，变成了个技术人员。

And this Class has perhaps already experienced more than your share – particularly in the uncertainty and the distress of the pandemic.

而且这个年级可能已经经历过许多，尤其是在疫情带来的不确定和困境之下。