Now,one of the factors that will help is more certainty with regard to actions out of Washington.

VOA: standard.2010.02.07

That's...these are trends that are unfolding rather than definite...that can be analyzed with any certainty at this point.

这些都是表面看来的趋势,并不是绝对的,从现在来看也难以下定论。

普林斯顿公开课 - 国际座谈会课程节选

Milton had begun the sentence not with calm, prophetic certainty about his divine vocation. He began it with a far more secular set of images, a set of images that comes from the world of business.

弥尔顿并不是以一种先知对他天职，的冷静确信开始写的，他以,更世俗的比喻开始,生意上的比喻。

耶鲁公开课 - 弥尔顿课程节选

For instance,certainty with regard to financial regulatory reform will help."

VOA: standard.2010.02.07

All of that means we need to explain why these folks do what they end up doing, and we have some hints, but of course we do not know with any certainty or any confidence.

综上所述,我们来想想为什么这些人,要背井离乡呢,我们有一些线索,但是我们并没有有力的证据

耶鲁公开课 - 古希腊历史简介课程节选

We have no idea what this menacing contraption actually is supposed to look like or what it's actually intended to signify, but we can know, I think, with some certainty that it's not scrannel.

我们无从得知这个威胁性的装置,实际上是什么样或者要代表什么，但是我们可以通过一些并不细小的确切性得知。

耶鲁公开课 - 弥尔顿课程节选

It's perfectly inscrutable as far as I'm concerned. But I think I can say with absolute certainty that one of its possible significances cannot be that the unprofitable servant should have waited to make his investment.

这对我来说很神秘，但我可以说,我很确信,它可能的含义之一,不会是让那个无益的仆人去等。

耶鲁公开课 - 弥尔顿课程节选