But,I believe you should never criticize others for something you would do yourself.

VOA: special.2010.05.09

But odds are you'll never again do that on the screen.

但是你们可能不会在屏幕上再做这个。

哈佛公开课 - 计算机科学课程节选

And so the big issue is -- this is what you must never do, but this is what you got to do if your phalanx is broken.

所以现在的大问题是,这也许是你在战场上永远不能做的事,但你在方阵被打散时不得不这么干

耶鲁公开课 - 古希腊历史简介课程节选

"I was in line for the bathroom." "He was like 'come over here' and I was like 'I gotta go!' You're a girl you think ' ' but then I was like ' he would never do that.' oh wouldn't that be romantic?

VOA: standard.2010.02.27

- And we could never do this-- and one could never do this experiment today but let me go through it with you and you'll apologize for its--some of its qualities.

我们不能再-,这种实验，如今再不能做了,我给你们从头至尾讲一下,因为实验中性别歧视的原因，我再次道歉。

耶鲁公开课 - 心理学导论课程节选