"He knows that this suspension of settlement construction is difficult, that it is not easy for anyone;

VOA: standard.2010.01.03

It turns out that getting large molecules like this, particularly large charged molecules like nucleic acids, inside of cells is not so easy.

后来证实,将这样的大分子物质,尤其是像核酸这样带有大量电荷的分子,送入细胞不是一件容易的事

耶鲁公开课 - 生物医学工程探索课程节选

it's very easy to know that this is not a student's authentic writing.

所以，很容易辨认出这不是学生自己写的。

对于抄袭的想法 - SpeakingMax英语口语达人

She says the work still is not easy, though,considering this is the country's worst flooding in more than 80 years and the area's mountainous terrain can make transportation difficult, even in the best of weather.

VOA: standard.2010.08.02

Not so easy to see. All right, but this is actually a great one of those educational moments. This is a great example to think recursively. If I wanted to think about this problem recursively- what do I mean by thinking recursively?

看不太出来，好，但实际上是一个有教育意义的时刻,这是一个很好的关于递归的例子,如果我用递归的思想,去考虑这个问题-,我该怎么用递归去解决这个问题呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

It is not an easy task,she said. "This is going to be a very hard act for him to pursue, particularly when there is very, very deep hostility to the United States and to the West more generally in Pakistan."

VOA: standard.2010.08.06

If this is the outcome of the research, not an easy research to go and look around the world, ? what can we do about it?

如果这是那次研究的结果，而不是马马虎虎的轻松的研究，我们能做些什么呢？

哈佛公开课 - 幸福课课程节选

"This is not a particularly easy case, because it sets out, or calls to question a number of legal issues that have to be examined, that have to really be given legal treatment for them to arrive at a decision that is legal in the eyes of the region and the eyes of the international law,".

VOA: standard.2009.04.18

It's not easy to devise this and the concept is very simple.

设计保单并不那么容易,仅仅一条概念太单薄了。

耶鲁公开课 - 金融市场课程节选