"This has clearly been a systemic challenge for financial stability in the euro area.

VOA: special.2010.05.14

Let's see if we can do that, and it's a little bit of a challenge for the performer.

让我们看看能不能做到这个,对于表演者来说,还真是个挑战呢

耶鲁公开课 - 聆听音乐课程节选

And it was a challenge for a while, but I enjoy learning different languages.

当时那还真是个挑战，但我喜欢学习不同的语言。

第二外语，英语 - SpeakingMax英语口语达人

But Waziristan, just south of the valley in the Federally Administered Tribal Areas, presents a very different challenge for the military.

VOA: standard.2009.06.18

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And he is praising four committees in Congress for agreeing on what he calls "a difficult and complex challenge."

VOA: standard.2009.08.08

And so if you choose to elect the hacker edition of this week's problem set the challenge will be to figure out not only how to implement the game but how to implement a solver for the game.

因此，如果你选择这周的应用题目为升级版,那么你将面临的挑战,不仅是如何实现这个游戏，而且,要实现此游戏的解决方法。

哈佛公开课 - 计算机科学课程节选

The challenge for designers was to create a vehicle with the protection provided by an MRAP but about 25 per cent lighter.

VOA: standard.2009.11.02

And for me it's fun because I may not know the novel that you end up picking, and so it is a kind of challenge for me to take a novel that you've chosen and come to grips with it myself It may be one that I know.

我也觉得很好玩,因为我可能不知道你们最后选择的小说，所以对我来说,认真对待你们选的一本书很有挑战性,可能是一本我知道的书。

耶鲁公开课 - 1945年后的美国小说课程节选

Working in so many different genres, Williams says his daily challenge is coming up with the right sound for a show,movie,or album.

VOA: standard.2010.07.20

It's a challenge, and Eikhenbaum's essay that you read for today is in part--to a degree that it can't really come out and talk about, or doesn't want to come out and talk about it a response to Trotsky's book.

而艾肯鲍姆在论文中,却并没有回应托洛斯基的书，艾肯鲍姆并不想回应,不愿站出来回答。

耶鲁公开课 - 文学理论导论课程节选

The national security challenge comes at a difficult time for Mr.Obama, who later this month will mark his first year in office.

VOA: standard.2010.01.06

And the challenge that we gave to ourselves is can we do that packaging in such a way that lays a ground work for community learning coming out of people who got involved in looking at the experiment of knowledge updates.

我们自己面临的挑战是,究竟能否,借用技术打包,为知识更新实验的,观看者的群体学习打下,坚实的基础。

麻省理工公开课 - 媒体、教育、市场课程节选

That public perception created a new challenge for Muslim parents.

VOA: standard.2010.07.12

For you or for me, it is not a challenge to walk around these cubes, or the audience or somebody from different points of view and recognize that they are really the same person.

对于我们这样的人，换个角度绕场行走，围着某个观众或者其他人去走,会认识到他们是同一个人。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Next month,the former Alaska governor heads to Arizona to campaign for her former running mate, Senator John McCain, who faces a challenge in the Republican primary from former Representative J.D.Hayworth.

VOA: standard.2010.02.09

His challenge to the poets is in a way the basis for the resentment that is built up against him in that Aristophanes and what he calls the earlier accusers have brought to bear.

他对诗人的挑战，某个层面来说,是对反对他的人所产生之愤恨的基础,这是亚里斯多芬尼斯及他所谓的,前代原告施加于他的。

耶鲁公开课 - 政治哲学导论课程节选

Pirated music is a big challenge for Senegal's music industry.

VOA: standard.2009.08.27

Now for the hacker edition, if you are feeling up to a bit more of a challenge you'll find that when you run the game, one it's not all that hard to use some ASCII art just make it a little fancier as the teaching fellow who implemented this solution did.

对于升级版，如果你能应付更大的,挑战，你会发现当你在玩这个游戏时，用一些字符画把它做得,比那些教学人员做的更有新意,并不是那么困难。

哈佛公开课 - 计算机科学课程节选

This is a major challenge for this country.

VOA: standard.2009.04.24

Sitting next to Mr.Meles at the signing ceremony were three top members of the old Coalition for Unity and Democracy,or CUD which mounted a powerful challenge to Mr.Meles party in the 2005 parliamentary vote.

VOA: standard.2009.11.01

For Garson,it has been a challenge to put aside his concerns about Haiti, and focus on football and the most important game of his career, but he has a simple message to Haitians.

VOA: standard.2010.02.04

The ruling by Ukraine's Central Election Commission to not investigate allegations of vote rigging is a setback for pro-Western Prime Minister Yulia Tymoshenko's campaign to challenge the results of the February 7 ballot.

VOA: standard.2010.02.14

That is in addition to billions of dollars of aid to the Middle East and North Africa, including a $700-million Millennium Challenge Corporation grant to Morocco for fruit tree farming and small-scale fisheries as well as stronger financial services and enterprise support.

VOA: standard.2009.11.03