For example, imagine-- this shouldn't be hard for most of you-- imagine that you are an evil git, but you know that the person you're playing against is an indignant angel.

比如,你们把自己想象成饭桶恶魔,这对你们来说不难,但是你知道你的对手是个愤怒天使

耶鲁公开课 - 博弈论课程节选

If somewhere later on in the code it shifts to string, I might not be manipulating that and getting actual values out, but not what I wanted, and it's going to be really hard for me to chase it back.

然后后面的一些代码,把变量类型变为了字符串，我可能不会通过实际操作,去取得实际的变量的类型，但是这并不是我想要的类型,而且对我来说把类型，变回去也很困难。

麻省理工公开课 - 计算机科学及编程导论课程节选

We want to be loved for our hard work, and we're all working really hard here.

我们想因为努力工作受到喜爱，我们因此工作的很卖力。

耶鲁公开课 - 弥尔顿课程节选

It's sometimes hard for me, but I trust that you will be able to do that.

有时会有点困难，但我相信你们能做到。

耶鲁公开课 - 1945年后的美国小说课程节选

Now it could be that you're hungry but you're working hard, and so you may not get your food for an hour until after you're hungry.

现在你很饿,但是你必须努力工作,直到一小时后才能吃东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The barriers to unity presented by European geography and very limited technology made it hard for a would-be conqueror to create a vast empire, eliminating competitors and imposing his will over vast areas.

由于欧洲独特的地理条件,和当时有限的科技水平,使未来的征伐者很难建立一个广袤的帝国,清除异己和使他的意志,传播到广袤领地的每一个角落

耶鲁公开课 - 古希腊历史简介课程节选