当然，他们不知道的是我从没停止过爱他。

Of course, what they don't get is, unlike him, I never fell out of love.

youdao

他们不知道的是有些瓶装水并不像他们想象的那么纯净。

What they may not know is that some bottled water may not be as pure as they expect.

youdao

这几乎是对的，但他们不知道的是，一但你达到了这个目标你的大脑会像硬链接线一样来判断快乐的感觉。

Which is mostly true, but what they don't understand is that your brain is hardwired to adjust its feelings of happiness once you've reached certain goals, like getting rich.

youdao

I think they're very heavy, indeed, but I don't know how much they weigh.

他们负重确实很多,但是我不知道他们的负重是多少

耶鲁公开课 - 古希腊历史简介课程节选

But I mean, yeah, I don't know. They are like teenagers after all really, the same as usual.

但我的意思是，我不知道。他们毕竟都是青少年，跟普通人一样。

有趣的留学生活 - SpeakingMax英语口语达人

The U.K. Had copied the U.S. Idea -I guess they copied -I don't know where the original -I think it's probably -is it U.K. Cpying the U.S. In this case?

英国效仿了美国的想法,我猜他们是效仿美国的,我也不知道谁先发明的,我认为可能是,存款保险是英国模仿美国

耶鲁公开课 - 金融市场课程节选