Also unbeknownst to the teachers was these students names, who were deemed "the fast spurters"/"high potential students", were literally randomly picked out from a hat.

老师们也不知道这些所谓的，“快速迸发者“或者潜力巨大的学生，都是从一个帽子抓阄抓出来的。

哈佛公开课 - 幸福课课程节选

I don't know if you've heard of the concept of the Wounded Healer.

我不知道你有没有听说过创伤治愈者这个概念。

治疗心灵 - SpeakingMax英语口语达人

I don't know the philology side, I don't know what disables to metaphysical questions.

我不知道者从语言学上来说对不对，我也不懂从形而上学角度看,有什么问题。

耶鲁公开课 - 死亡课程节选

They don't know--They think that they're teaching somebody in a memory game but actually the person who is being shocked is a confederate who is trained to react in certain ways as he's being increasingly shocked.

他们不知道…他们以为,他们是在用记忆游戏来教被电击者,但其实被电击者早就和设计实验的人串通好,当电击者电击的次多增多时,他就会装成相应的样子。

耶鲁公开课 - 心理学导论课程节选