And identifying the cause of the pain can be difficult, especially for untrained doctors.

VOA: special.2011.07.26

It shouldn't be difficult to see a kind of problem that is beginning to arise in Milton's text here.

这是一个很容易看出的问题,在弥尔顿的作品中也被提了出来。

耶鲁公开课 - 弥尔顿课程节选

He says, "Poetry in our own time-- -- such is the complexity of the world we live in-- must be difficult."

他写道，“我们这一时代的诗-,正如我们生活着的世界-,让人费解“

耶鲁公开课 - 文学理论导论课程节选

But the story of the cowboy and his difficult life would not be forgotten.

VOA: special.2010.03.18

For some of you it may be difficult I know that and I want you to rest assured that no one in this course wishes to undermine or malign religious faith any more than they wish to promote or proselytize for religious faith.

我知道对你们中的另一些人来说这门课会有困难,不过我想要你们放心,这门课上没有人想要破灭和诋毁宗教信仰,同样也没人想要劝诱他人信教。

耶鲁公开课 - 旧约导论课程节选

Although they might be on opposite sides of the issue, Kyle Hoefling agrees that overturning the new law would be difficult.

VOA: standard.2010.03.25

If you go to the right region of an adult brain you might be able to find cells like this but it's more difficult.

如果你在一个成人大脑的正确区域找,你也许能找到这样的细胞,但会更困难一些

耶鲁公开课 - 生物医学工程探索课程节选

The claim of the complaintent here is going to be very difficult to prove.

VOA: standard.2009.11.02

Well, I think, as the convention, it would be very difficult to leave the government because nobody else is just living in the state of nature.

我认为，按照惯例来说，想要脱离政府会是十分困难的,因为没有其他人生活在自然状态下。

耶鲁公开课 - 公正课程节选

But Mark Zandi of Moody's Economy.com in New York says that as difficult as 2009 has been so far, the rest of the year could be worse.

VOA: standard.2009.03.10

Toward the end of his life while he was still 100% lucid, it was more difficult for him to be mobile and to go into organizations.

在他生命的最后当他头脑还百分百清醒时，活动和参加组织活动对他来说更加困难了。

哈佛公开课 - 幸福课课程节选

He says insuring the quality and affordability of the medicines can be difficult.

VOA: standard.2009.04.25

Some of this material for some of you is going to be very,very difficult.

其中一些内容对一些人来说将会非常难。

耶鲁公开课 - 死亡课程节选

Authorities predicted the actions would weaken the local off-shoot of the terror network, arguing that support for the group had waned and replacing the leadership would be difficult.

VOA: standard.2010.05.10

I would just say that in my experience you really have to want to do this, I would definitely encourage people to be aware of the breath and try to be mindful, but remember too it's very difficult for us to leave the negative feelings.

我只想说,根据个人经验，确实要真心想这么做，我肯定会鼓励大家,留意自己的气息，并尝试着留心察觉，但让我们抛下负面情绪,也非常困难。

普林斯顿公开课 - 人性课程节选

"I was one of these teenagers, and so I know how difficult it can be to break this habit when it's been with you for a long time,".

VOA: standard.2009.06.22

This makes it difficult you could say and this is Aristotle's point I think this makes it difficult for the philosopher to be a good citizen of any actual regime.

可以这么说，这让它变得很难搞,而这也是亚里士多德的重点,我认为这让哲学家很难成为好公民,无论身处那一种现行政体中。

耶鲁公开课 - 政治哲学导论课程节选

He said Palestinians are waiting for the Americans to cancel that decision because it will be difficult to see the process restarting with this kind of action in place.

VOA: standard.2010.03.11

He says, "to succeed in many things or many times is 'difficult.' For instance, to repeat the same throw of dice 10,000 times would be impossible; whereas, to make it once or twice is comparatively easy."

他说,要成就很多事情,或成就一件事情很多次,是很困难的,比如,掷一万次骰子都得到同样的结果,是不可能的,但是,掷一两次却是相对容易的

耶鲁公开课 - 金融市场课程节选

"People are going to see more security." But Steve Coll says the success of the Kandahar offensive really hinges on a psychological battle that will be more difficult to win.

VOA: standard.2010.05.28

Once again you see that hermeneutics enters a field when the meaning of something becomes more important and when that meaning is recognized to be difficult to grasp.

你们再次看到诠释学,进入这样一个领域,意义的理解很重要，也很难把握。

耶鲁公开课 - 文学理论导论课程节选

"If the current posture of the Israeli government on Gaza continues it would not be difficult to predict that Turkish and Israeli relations will continue to be difficult and fragile,"

VOA: standard.2009.10.27

Let's make the red light the symbol of 'go.'" And now with the ecological movement it would be very difficult to make the green light the symbol of "stop," and in any case all sorts of complications would arise. Right?

我们来假设，红灯的意思是出发“,那么难道,绿灯的意思是停止吗？,这样会引起各种不必要的麻烦？

耶鲁公开课 - 文学理论导论课程节选

This may be the most difficult part of all.

VOA: standard.2009.12.27

But some of them may be the most difficult papers that you've written here.

但一些也许是你所写过的最困难的论文。

哈佛公开课 - 幸福课课程节选

Negotiations with the House of Representatives to craft a final bill for President Obama will be difficult because of some major differences, notably the House bill's provision for a government-run health insurance option, absent from the Senate measure.

VOA: standard.2009.12.24

Most of us find that rather difficult thing to believe that the person could be constantly changing in this way without having any way at all to tell.

大多数人很难相信,人可以不断地,变化，而且是以这种,无法揣测的方式变化。

耶鲁公开课 - 死亡课程节选

"I think the most difficult thing will be to be separated from the people that I am used to, and leaving behind some of the habits - all our activity will be directed towards a certain goal."

VOA: standard.2010.06.02

If it were all the things that it's not, or if it were identical to all the things that somehow or another it's not, then I would be in a very difficult situation because I wouldn't have any means of knowing it in particular.

如果一件事就是它自身的反面，或者和其他的事物没有区分之处,那么我们，就很难认识它,因为我们没有办法认识它。

耶鲁公开课 - 文学理论导论课程节选

He says the process of sorting through those areas, which include sites around the country,but concentrated in the mountainous northern areas, will be a long and difficult one, though it is work that needs to be done in the name of the victims' families.

VOA: standard.2009.12.18