他们开始放低嗓门，不再那么肯定了。

They begin to mute their voices, not be as assertive.

《柯林斯英汉双解大词典》

然而，我现在对此并不是那么肯定了。

I'm not so sure about this anymore, however.

youdao

卡特和韦伯也不是那么肯定。

Carter and Weber weren't so sure.

youdao

Gadamer says, and here again he's attacking historicism: The text that is understood historically is forced to abandon its claim that it is uttering something true.

伽达默尔在攻击历史相对主义时这样说道：,文本如果放在历史的角度理解,那么这样的理解肯定不是绝对正确的。

耶鲁公开课 - 文学理论导论课程节选

Well, definitely the science classes, the math classes. So, I'm in... taking the maths series,

肯定是自然科学和数学。那么我现在正在学数学，

斯坦福的新生 - SpeakingMax英语口语达人

And if I remember at least, I will repeat the question out loud so that everybody can hear it.

至少我肯定会记得，把问题大声的重复一遍,那么所有人都可以听到了。

耶鲁公开课 - 死亡课程节选