I don't know if that's true of you, but it certainly is true of people of my generation.

我不知道你们是不是也这样,但对于我们这代人来说确实如此

耶鲁公开课 - 古希腊历史简介课程节选

But for me, I like to look at something and just say, "I like this. I don't really know why though."

但对我来说，我喜欢看着某个东西，然后说，“我喜欢这个。但我也不知道为什么。”

关于现代美术 - SpeakingMax英语口语达人

In fact, I do this as well, I mean I have water with me and I have no idea why because I'm not particularly dehydrated.

事实上,我也整天带着水壶,我是说我随身带水,但又不知道为什么要带,因为我并没有特别的脱水症状

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I think our entertainment industry likes to make movies about people in finance, but they are inevitably portrayed as evil and I don't know why that is.

娱乐产业喜欢,制作关于金融业的电影，但里面的人物总是被刻画的很恶毒,我也不知道为什么。

耶鲁公开课 - 金融市场课程节选

But before I do that, I would also like to welcome-- I know that some of you are watching this from home, to the extension school students, it's wonderful to have you here.

但在这之前，我也想对-,我知道你们中的有些人正在家里看这堂课，对进修学校的同学们表示欢迎，很高兴你们能听我的课。

哈佛公开课 - 幸福课课程节选

If someone else had died, you know that you would consume them so " Right. But then you could say, "I know, but I lost".

如果是别人抽到了，那别人也得去死,对，但你可能会说，“我知道，但我后悔了。

耶鲁公开课 - 公正课程节选

I see that, but I also see the drugs bringing them down, you know, it's horrible.

我看得出来，但我也看到毒品让他们没落，你知道，这很糟糕。

现在的孩子好可怕 - SpeakingMax英语口语达人