I don't know about that. I am not so sure." But then, we realized that like when we walk out that door, it's the whole world again. So you get sucked up by your group, by your sort of identity.

我不知道，不是很确定，然后呢，我们就意识到走出那个大门，又是一个完整的世界，所以你就会,被你的团体，你的身份所束缚。

普林斯顿公开课 - 人性课程节选

I am not sure... Everyone was gushing about all the... I think it's modern arts.

我不是很确定……每个人都在滔滔不绝的讲……我认为是现代艺术吧。

喜欢毕加索吗？ - SpeakingMax英语口语达人

I'm not clear that that kind of knowledge gives a whole lot of value to your life.

我不是很确定,这种知识会给你的生活带来多少价值。

耶鲁公开课 - 死亡课程节选

This particular website has this free nutrient analysis On the website people may choose to get involved in and there may be charges for those things, I don't really know, but there may be and then they may ask you for identifying information, but it's your option to do that.

网站的营养分析服务,在该网站,人们可以选择使用其他服务,当然,那些可能是收费的,我不是很确定,可能有收费服务,并要求验证个人信息,但这由你自己选择

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, when I graduated from undergrad, I wasn't quite sure yet though,

我本科毕业的时候还不是很确定，但是，

选康内尔大学的理由 - SpeakingMax英语口语达人

I'm not sure exactly, but this map might help you.

我不是很确定，也许这张地图可以帮你。

How can I 实战 - SpeakingMax英语口语达人

I think around four or five, I'm not quite sure.

我想在四五岁左右，我不是很确定。

英国的教育 - SpeakingMax英语口语达人

I haven't really kind of defined it that clearly.

我还不是很确定呢。

电脑图片的魅力 - SpeakingMax英语口语达人