我几乎完全可以确定。

I'm as near certain as can be.

《牛津词典》

他将确定一个我可以见他的时间。

He's going to fix a time when I can see him.

《柯林斯英汉双解大词典》

我们可以确定发生火灾时那艘船的确切位置。

We can fix the ship's exact position at the time the fire broke out.

《牛津词典》

There are so few words that you can be sure that they were chosen with care. You'll be looking at Genesis 22 closely in your section discussions.

几乎没有一个词你可以确定含义，它们的选定都是经过仔细,推敲的，你们将在讨论阶段更详细地看《创世纪》第22章。

耶鲁公开课 - 旧约导论课程节选

I definitely say, try to see a Broadway show when you're in New York City.

我可以很确定地说，你在纽约的话，就要去看一场百老汇表演。

纽约的音乐厅 - SpeakingMax英语口语达人

I'm not quite sure,because we have to turn to a metaphysical question that we've touched upon before,namely,can souls split?

我不太确定，因为要先提出一个以前说过的,形而上学的问题，就是，灵魂可以分裂么？

耶鲁公开课 - 死亡课程节选