I'm pretty sure I'll be going.

我相当肯定会去的。

《牛津词典》

I'm pretty sure (that) he'll agree.

他会同意的，对此我有相当的把握。

《牛津词典》

youdao

"And it's a tough mission, but I think it is an attainable mission as long as we take the time to make sure that the mission is out there and laid out pretty well.

VOA: standard.2009.11.16

Cervantes is preoccupied with a figure who is crazy we're pretty sure of that, but he certainly isn't.

塞万提斯专注于一个疯了的人物,这一点我们很确定，但是他并不这么认为。

耶鲁公开课 - 文学理论导论课程节选

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

Surprised they didn't see it, but I'm pretty sure there was no intention to offend anyone.

CNN: Apparently This Matters: Teatime for Hitler

However, I'm pretty sure they're not as weird as we like to say they are.

ENGADGET: This is the Modem World: Japan is not weird

I'm pretty sure none of this would have happened if I hadn't been fired from Apple.

WSJ: Steve Jobs: 'Find What You Love'