They do not let their importance "go to their heads."

VOA: special.2009.03.08

It's a cliche--People say, let's not reinvent the wheel here, so let's go back to that.

人们会说这是陈词滥调了，咱们别在这白费口舌了，咱们还得从头说起。

耶鲁公开课 - 金融市场课程节选

? "Could we not persuade you to let us go?"

我们无法说服你们让我们走吗“

耶鲁公开课 - 政治哲学导论课程节选

The rulers would not let girls go to school.

VOA: special.2009.06.15

So that's the last music of Wolfgang Amadeus Mozart and his pupil, Suessmayr, and--not to leave you in a somber mood-- let's listen to Louis Armstrong as we go out. Okay?

那么,这就是莫札特和他的学生,苏斯迈尔一起完成的他最后的音乐,好了,别沉浸于忧郁的心情里,让我们聆听下路易斯·阿姆斯特朗的音乐,来领着我们下课吧,好吗

耶鲁公开课 - 聆听音乐课程节选

N 2 So any chemist should be able to just look at n 2 and know that it's a triple bond, but that's not something that we've learned how did to do yet, so let's go ahead and start a new topic that's going to allow us to have some sort of sense of what the valence electron configuration, which includes whether something's a single or double or a triple bond can be figured out for any given molecule.

任何一个化学家都应该能够仅仅通过看到2,就知道它有一个三键,但是我们还没学习如何做到这点，因此下面我们就开始进入一个新的主题,它将使我们能够有一定的认识,对于价电子的排布情况，包括可以对任何一个给定分子中的键是单键双键,还是三键作出判断。

麻省理工公开课 - 化学原理课程节选

Okay. If not, let's go on to the following.

如果没有,我们继续下面的内容

耶鲁公开课 - 聆听音乐课程节选