William Wilhelmi says being a potter can be difficult.

VOA: special.2009.09.09

And the first year of law school was notorious for being difficult and grinding, you know, it was like that.

法学院的第一年是众所周知的——课程很难，让人难以忍受。

哥伦比亚的氛围 - SpeakingMax英语口语达人

Unity was difficult. Being somewhat isolated, the inhabitants of each region developed a distinctive economic and cultural character.

团结很困难，它有一点孤立，每一个地域的居民都发展起来,有了各自经济文化特点。

耶鲁公开课 - 旧约导论课程节选

Because the tunnel economy is clandestine, it's difficult to estimate just how much money is being made.

VOA: standard.2010.06.17

Whether it gets outweighed easily, or whether it's very, very difficult and the contents have to be horrible to outweigh it, depends on how much value you think being alive per se has.

不管是轻易被超越，还是它很困难被超越,还是生活内容要非常糟糕才能超越它，这取决于你认为生活本身有多少价值。

耶鲁公开课 - 死亡课程节选

"Being physically active on a regular basis is a difficult thing, but the MyActivity Pryamid offers adults a variety of ways that they can reach these recommendations for health and improving the quality of life."

VOA: standard.2010.02.26

Also, I'm used to teaching this course three times a week and now it's suddenly twice a week, and so things that fell into nice 50-minute units are now being snipped up different ways, so it's pretty difficult.

还有,我的课程安排原来是一周三次,现在突然变成了一周两次了,所以原来 50分钟一节的内容,现在被拆成两部分了,这个有点儿难办

耶鲁公开课 - 基础物理课程节选

Isn't it difficult being a mother and a professor at the same time and keeping a balance between the two?

同时做母亲和教授是不是很困难呢？两者之间取得平衡不容易吧？

教授的梦想 - SpeakingMax英语口语达人