You feel desperate because you know that if you crash into these five workers, they will all die.

你此时极度绝望,因为你深知,如果电车撞向那五名工人，他们全都会死。

耶鲁公开课 - 公正课程节选

Thank you. I just feel like in the situation that desperate, you have to do what you have to do to survive.

谢谢，我只是认为,在那样的绝境下，为了生存，你不得不那样做。

耶鲁公开课 - 公正课程节选