你肯定他没有背着你另有所爱？

Are you sure he's not two-timing you?

《牛津词典》

"我没有那么说。"—"你肯定说了。"

"I did not say that."—"You most assuredly did."

《柯林斯英汉双解大词典》

很可能你目前没有完全确定要从职业中得到什么，在这种情况下，你肯定还没有具备做老板的素质。

The chances are you haven't fully decided what you want from your career at the moment, in which case you're definitely not cut out to be a boss yet!

《柯林斯英汉双解大词典》

Even if there're no souls, we don't have to say that the key to personal identity is the sameness of the body.

即使没有灵魂的存在，我们也不用,肯定人格同一性的关键在于,同样的肉体。

耶鲁公开课 - 死亡课程节选

People living in Darfur are certainly less happy than people living in Denmark or the United States.

生活在达尔福尔的人,肯定没有生活在丹麦或美国的人快乐。

哈佛公开课 - 幸福课课程节选

Yes. Definitely, because both of these are not anywhere near filling up their octets yet.

应该，肯定的，因为它们两个都还没有,填满它们的“八隅体“

麻省理工公开课 - 化学原理课程节选