And the driving of the id, the forces of the id and the forces of the superego, are unconscious in that we cannot access them.

本我的驱力，本我和超我的力量，都存在于我们无法觉察的无意识之中。

耶鲁公开课 - 心理学导论课程节选

these things are explained in terms of cognitive systems that we're not aware of.

我们无法觉察到的认知系统,予以解释。

耶鲁公开课 - 心理学导论课程节选

When he talks about the soul being invisible, and invisible things being indestructible, maybe he means things that can't be observed through any of your five senses.

他谈到灵魂是无形的,无形的东西不会毁灭，也许他指的无形是通过五官,都无法觉察到的东西。

耶鲁公开课 - 死亡课程节选

It brought about fundamental alterations, slowly, in ways sometimes people didn't even know it's happening; fundamental alterations in aspirations, in habits, in activities, in conceptions and definitions of work, and leisure.

带来基本的,缓慢的改变,以一种人们通常无法觉察到的方式,这样根本的改变的有愿望,习惯,行动,观念,还有,对工作,闲暇的定义

耶鲁公开课 - 美国内战与重建课程节选