Sure, if my son would wake up and I didn't tell him, he wouldn't know that it was duplicate.

当然，如果我儿子醒来,可我还是没告诉他，他不会知道这塔是重新搭的。

耶鲁公开课 - 死亡课程节选

Well, I think that, if I'm not mistaking, he discovered America.

我想，如果我没弄错的话，是他发现了美洲。

向哥伦布学习 - SpeakingMax英语口语达人

If we responded to all fires, he said, there would be no incentive to subscribe.

他说，如果我们见火就扑，那就没人会订我们的服务了。

耶鲁公开课 - 公正课程节选

And I shouldn't just say he here of course, I mean this is he or she but if I get that wrong going on, please forgive me for it.

我不应该只说他,应该说他或她,如果我以后又没注意,请大家多多包涵

耶鲁公开课 - 博弈论课程节选

He'd been diagnosed with, if I recall correctly, cancer as a freshmen--and his doctor had told him that he pretty much had no chance of recovery and indeed had only a couple more years to live.

他大一的时候就被诊断出癌症，如果我没记错的话--他的医生告诉他,他基本上没有治愈的可能了,并且实际上只有几年时间存活了。

耶鲁公开课 - 死亡课程节选