He says something, and he doesn't really know where those words come from. He doesn't really know what made his granny so angry about those words.

他不知道自己说了什么,更不知道为什么,这会让祖母抓狂。

耶鲁公开课 - 1945年后的美国小说课程节选

Yeah, I don't know really what else to say. Just he's awesome.

我真不知道还能说些什么。总之就是他太棒了。

喜欢的电视节目 - SpeakingMax英语口语达人

So, if there is one section of the lecture that I went a little too quickly for, you could say, gee, if I could just see that five minutes, you could click on it, zoom into that five minutes, play it a few times, and then say, I still don't know what he's talking about.

所以，如果有那节课,我上得过快，你可以说，天啊，我多希望我能看到那5分钟，你就能点击它，选择那五分钟，播放几次，然后说，我还是不知道他在说什么。

麻省理工公开课 - 固态化学导论课程节选

And--or people would talk to him and he'd just stare at them and say--and people would say-- would be intimidated by his bold and impetuous stare when actually he just totally didn't know anything.

别人跟他说话，他就会盯着人看,人们就会-,被他大胆无礼的凝视吓怕,其实他根本不知道别人在说什么。

耶鲁公开课 - 心理学导论课程节选