I 'm really dead on my feet tonight: we had the big year-end sale on and I was so busy I didn't even have time for lunch.

我今天晚上两只脚实在累死了。我们正在举行年底大减价，我忙的连午饭都没有时间吃。

youdao

So I haven't really imagined the world in which I no longer exist, a world in which I'm dead, a world in which I'm incapable of thought and observation.

所以我并没有真正,想想自己不存在的世界，自己死后的世界，一个我无法再思考和观察的世界。

耶鲁公开课 - 死亡课程节选

Yeah. Suppose I choose it right down there I guess 0. Well, the tangent there will not even have an x intercept. So I'm really going to be dead in the water.

好，如果我选猜想数为0，好吧,这个点的切线甚至和x轴都没交点,所以在这儿这一原则,真的不起作用了。

麻省理工公开课 - 计算机科学及编程导论课程节选