We can easily imagine a world in which I don't have the last name Kagan or perhaps to switch it around, Shelly's not my name.

我们可以容易地想象一个世界里,我不姓卡根或者,反过来,我不叫薛立

耶鲁公开课 - 死亡课程节选

It's a bit more-- to continue with the metaphor of the on-of switch-- as though not only is the switch turned to off, there's a lock on the switch.

要继续用开关的比喻-,就有点奇怪了-,似乎开关的上面，还有一个锁定装置。

耶鲁公开课 - 死亡课程节选