Rudolf found it hard to believe that there was someone in the world who did not know what violin was.

VOA: special.2010.05.08

Hard to believe today, but Sicily was one of the major granaries of the Mediterranean world at that time, tremendously fruitful, able to grow the best possible crops, very good wheat and so on.

在今天很难想象,但西西里是当时地中海地区,最主要的粮仓之一,产物丰盛,能够种植最好的谷物,上乘的小麦等等

耶鲁公开课 - 古希腊历史简介课程节选

and, I think, hard to find from colleges around the world.

而且，我认为这些东西是很难从世界各地的其它大学找到的。

纽约大学 - SpeakingMax英语口语达人

both are outside the city. Pittsburgh has worked hard to rebuild itself and the world is taking notice.

VOA: special.2009.07.13

This proves to be really difficult in the real world because in the real world it's hard to pull apart genes and environments So, you and me will have different personalities ? Why?

这在现实中是很难区分的,因为现实中很难,把基因和环境分开来讲,你和我有不同的性格,为什么？

耶鲁公开课 - 心理学导论课程节选

Everyone loves a costume party. ." And when it's the world's biggest comic book convention - some find it simply too hard to resist dressing up.

VOA: standard.2010.07.23

But Roger Bannister continued to train and work hard, not harder than the rest of the runners, but as hard as the top runners in the world.

但Roger，Bannister坚持苦练，不比别的跑手练得更苦，但和世上别的跑手一样苦练。

哈佛公开课 - 幸福课课程节选

A green energy incentive that relies not on tax money, but rather on ratepayer funds was pioneered in continental Europe, and is now getting a hard look in many countries around the world, including the United States.

VOA: standard.2010.03.23

We have a nice theoretical framework, but the application of the framework to the real data is hard and it ends up with politics underneath it all; that's just the real world.

我们有清晰的理论框架,但实际运用理论知识却困难重重,最终还是政治支配一切,这就是现实社会

耶鲁公开课 - 金融市场课程节选