And so part of the wilderness experience for me I think Mark Twain talks about wilderness and he says, I do it chiefly because it is difficult.

对于我来说，荒野的经验就像是,马克吐温在谈到荒野时所说，因为困难，所以我才去做。

普林斯顿公开课 - 人性课程节选

I tell my freshman students here all the time when my freshman seem on the tragedy when come again the political plays of Franz Kafka, Chehev.

我总是告诉新生,当他们在阅读像卡夫卡，契科夫,的政治剧作遇到困难时。

普林斯顿公开课 - 人性课程节选

Those areas that are most eager to get to the content say they may have difficulty in using it because it's not in their language or might not make sense within their culture.

那些渴望得到这些信息的地区,很可能在使用这些信息时遇到困难,因为这些信息用的不是他们的语言,或者在他们的文化里这些信息不成立。

麻省理工公开课 - 媒体、教育、市场课程节选

We don't have an enormous difficulty grasping them, and it doesn't seem to me that our capability of grasping irony is founded on a necessary, underlying agreement.

我们在理解时不会用很大困难，而且我认为，我们理解讽刺的能力,是建立在必要的，潜在的共识之上的。

耶鲁公开课 - 文学理论导论课程节选

That's at least the kind of claim that fans of the body view often make in the face of this difficulty for the personality theory.

这是在人格理论面临困难时,肉体理论支持者提出的说法。

耶鲁公开课 - 死亡课程节选

Cos I really struggled in high school-- a lot of it was difficult; a lot of it was painful, but it was all worth it.

因为我在高中很努力-,很多时很困难;,很多时很痛苦，但完全值得。

哈佛公开课 - 幸福课课程节选

There are really two purposes in us doing this: one was so you can get a fix on your own eating, and second you can see the challenges that are involved in assessing what people eat when you start doing studies linking diet to health.

这么做实际上有两个目的,一是你可以调整你自己的饮食,二是当你开始研究,饮食与健康的关系时,你会发现,在对人们吃什么进行评估时存在很多困难

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选