You guys have also seen vectors, I'm pretty sure, but it is worth going over some properties and some may be new and some may be old.

我很肯定你们曾接触过矢量,但复习一下相关的性质是很有必要的,有些可能是新知识,有些是已经学过的

耶鲁公开课 - 基础物理课程节选

I'm pretty sure he's won a Nobel Prize.

我记起来了，他确实得了诺贝尔奖。

知道约翰·纳什吗？ - SpeakingMax英语口语达人

Now I think you may be rather happy to hear that this is the last time --I'm pretty sure that this is the last time - that we will have to discuss, at least at any length, Milton's worries about his unreadiness and his un-preparation.

你们可能会很高兴知道,这是我们最后一次-我对此非常确信,最后一次需要仔细的讨论，弥尔顿对他自身的犹疑和毫无准备的焦虑感。

耶鲁公开课 - 弥尔顿课程节选

I'm pretty sure that's true.

我对此很确定。

普林斯顿公开课 - 人性课程节选

And it's like, I am pretty sure I'm in an acting class with like 30 kids next year,

它就像，我很确定我在的那个表演班明年会招大约三十个新生。

和话剧专业的朋友 - SpeakingMax英语口语达人