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

Where--One of the big findings from social psychology, and we'll devote almost an entire lecture to this, that people have strong views about other races that they don't know about and that they don't know how to control their actions.

我们将来几乎会用一堂课的时间，来介绍一个社会心理学的重大发现，人们对其他的民族有极深的成见,但这些成见往往是他们自己无法察觉的,也是他们不知道该如何去控制的。

耶鲁公开课 - 心理学导论课程节选

In 1852, around that time, this might have been the first course that was offered in engineering in the country: it was taught at Yale in civil engineering in 1852 even Yale students don't know this; what a long, distinguished history of engineering that their own institution has.

在一八五二年,那个时候,这可能是最早开设的一门课程,在国内的工程学方向,它就是一八五二年开始讲授的土木工程,甚至是耶鲁自己的学生都不知道这些,他们所在的学院有着,如此独特而悠久的历史

耶鲁公开课 - 生物医学工程探索课程节选

He got this from Marie Curie - you can imagine they used the postal service, I'm not sure how else they would have transferred it to each other.

当他从Marie，Curie拿到这个时,你们可以想象他们一定是把它，邮寄过去的,不然我不知道他们。

麻省理工公开课 - 化学原理课程节选

It must have been that they somehow knew on the issuance date that the stock price was going to go up, but he said they couldn't possibly know that in these general circumstances.

这一定是,他们在发放期权的当日就知道,股价将要上涨,但是李认为在正常情况下,他们是不可能知道的

耶鲁公开课 - 金融市场课程节选