the act of actually pushing someone over onto the tracks and killing him, you are actually killing him yourself.

真的动手把人推到轨道上让他死的这种行为，就等于是你亲手杀了他。

耶鲁公开课 - 公正课程节选

You can kill him. You can certainly kill someone who comes after you, who tries to murder you.

你可以杀了他，你可以理所当然地,杀死一个跟踪你，想谋害你的人。

耶鲁公开课 - 公正课程节选

Well,I suppose it doesn't strike me as an implausible thing to say that if everybody in the troop got killed and you would have gotten killed had you been there, but instead,the person you hired to take your place gets killed, then he took your place.

我想可以这么说,如果大家都被杀死，而你若是在战场上也被杀了，但被杀的却是你花钱雇来的人，他就代替了你。

耶鲁公开课 - 死亡课程节选

First of all, I found secretary Rumsfeld a very easy person to deal with in a sense that he's very professional, very strict, very honest, not the kind of guy who, you know, take a different position, try to around behind your back. If he's going to stab you, he's going to stab you in the chest.

首先，我发现拉姆斯菲尔德秘书长,是很容易打交道的人,我指的是他非常专业，非常严格，非常诚恳，不像那类人，因为观点立场不同,就从你背后放冷箭,如果他想杀了你，也是从正面进攻。

普林斯顿公开课 - 国际座谈会课程节选

Now, if Parker did give his consent, would it be all right, do you think or not?

那如果派克的确同意了，你觉得杀他是正当的吗？

耶鲁公开课 - 公正课程节选