Having said all that, I do actually enjoy an element of uncertainty.

说了这么多，我确实很喜欢一定的不确定性。

youdao

He had an air of uncertainty about him.

他显出将信将疑的神情。

《牛津词典》

There are many types of fear, but the two that inhibit iconoclastic thinking and people generally find difficult to deal with are fear of uncertainty and fear of public ridicule.

恐惧有很多种，但其中会抑制打破常规的思维且人们通常很难应对的两种恐惧，是对不确定性的恐惧和对公众嘲笑的恐惧。

youdao

It was a strange period, a season of uncertainty and anger.

VOA: special.2011.03.17

I mean there is a lot of uncertainty in that.

因为有很多不确定性。

普林斯顿公开课 - 人性课程节选

But there is this sort of sense of uncertainty that you see in someone like Descartes, who finally just goes back to basics and says, "I think, therefore I am."

你可以在那个年代从某些人身上,看到一种怀疑的精神,比如笛卡尔,他最终逐本溯源提出"我思故我在"

耶鲁公开课 - 欧洲文明课程节选

So the markets are concerned and there is a lot of uncertainty out there.

BBC: Resignations shake up SA markets

We must accept that all action must be planned in a mere twilight of uncertainty.

FORBES: War Lessons for Investors I: Accept the Fog of Investing

Now back to Obama and the administration's financial muddle that's causing a high-pitched level of uncertainty.

FORBES: StreetTalk