And the rate of change means it's very difficult for the classical educational programs to keep up with the demand that's out there in the marketplace."

VOA: special.2011.01.24

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

Well, that's pretty difficult. It, you know, I think it's easiest to do that in sort of an informal way.

分配起来确实挺困难的。你知道的，以一种非正式的方式反而更容易做到。

有趣的室友们 - SpeakingMax英语口语达人

"Many mothers deliver at home in sub-Saharan Africa and it's very difficult for them to get to a hospital or clinic which may be miles away in that time period.

VOA: special.2010.05.24

It's a very complicated situation because the kind of economic risks that we face are difficult for most people to understand.

一个很复杂的情况是,我们所面临的经济风险,很难被大众完全理解。

耶鲁公开课 - 金融市场课程节选

Buchanan believes, It's human nature to want more meat and dairy, and that will be very difficult to change.

VOA: standard.2010.06.04

I think it's very difficult, indeed I think it's impossible, to think of anything you'd want to do forever.

我认为很难，其实我认为不可能，想出一件你希望永远做下去的事。

耶鲁公开课 - 死亡课程节选

"It's difficult to say what the reasons are." "It has happened with spare parts for important medical equipment for hospitals.

VOA: standard.2010.06.17

But it's a difficult claim because even as Milton makes this claim, he manages to undermine its force.

但这是困难的，因为即便是弥尔顿做出了这一宣告，他也打算降低它所蕴含的威力。

耶鲁公开课 - 弥尔顿课程节选

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

VOA: standard.2010.06.17

Well, I talked about the problem of using plasmids in gene therapy, that it's very difficult to get them into cells.

我们之前讨论过,基因治疗中运用质粒的问题,质粒本身极难进入细胞

耶鲁公开课 - 生物医学工程探索课程节选

"The problem with that body of research is that it's difficult to interpret because obviously people with existing mental health problems use cigarettes to self-medicate."

VOA: standard.2010.06.15

Indeed, in addition to finding him very difficult you've probably said, "Why does he have to write like that?" In other words, "Yeah, okay. He's difficult, but isn't he making it more difficult than it needs to be?"

事实上，除了发现他难懂以外，你可能会说，“为什么他要这样写？“，换句话说，“是的，他的思想很难懂，但是他这样写不是让他的思想更难懂了吗？“

耶鲁公开课 - 文学理论导论课程节选

Karroubi's son was savagely beaten. And,I think, under those circumstances, it is going to be very difficult for them to organize a stratagem moving forward."

VOA: standard.2010.06.11

Part of the problem with using operant conditioning with babies is it's difficult to get them to behave in any systematic way.

应用操作性条件作用的部分问题在于,很难使婴儿们按照系统的方式行动

耶鲁公开课 - 心理学导论课程节选

It's difficult to keep track of the slick, says co-pilot Brian Boland.

VOA: standard.2010.07.05

But it's difficult to understand what the impact was, and the poisoning of the political atmosphere.

但是很难理解这有什么影响,对政治气氛有什么毒害

耶鲁公开课 - 1871年后的法国课程节选

"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

So it's quite difficult in the real world for candidates to position themselves.

所以在现实生活中候选人,选择位置是很难的

耶鲁公开课 - 博弈论课程节选

During an appearance on a national TV news show, she described herself as a private person who finds it's difficult to allow personal emotions to show through in her songs.

VOA: standard.2009.12.15

It's very difficult for us to imagine a fear of Sweden.

现在对于我们来说很难理解,瑞典能有什么好怕的

耶鲁公开课 - 欧洲文明课程节选

Without Tiger Woods, it makes it very very difficult to do that,". In addition to Accenture, Gillette chose to limit Wood's role in its $5 million yearly deal with him.

VOA: standard.2009.12.16

It' s very, very difficult to chase after a wave.

追随潮流是件相当困难的事。

普林斯顿公开课 - 领导能力简介课程节选

"So it's going to get increasingly difficult to make gains."

VOA: standard.2010.07.28

it's very difficult when one is so articulate and is able to express exactly what you want to say,

当一个人已经熟谙一门语言，能够用这门语言清楚明白地表达意思，

想学好英语吗？ - SpeakingMax英语口语达人

But Sow says it's difficult to get adults to change, for example, to stop using pesticides on their tomatoes and other crops, which he says is a persistent problem in the village.

VOA: standard.2010.04.01

But you might have to,also, refer to a Psalm over here or to another passage over here. And it's too difficult if you're unraveling scrolls and everything.

但你也许还要查阅，诗篇或者另一段文字,而解卷展轴太麻烦了。

耶鲁公开课 - 新约课程节选

and NATO forces even as the Obama administration prepares to send an additional The hazy groups and alliances of what collectively comprise the Taliban make it difficult to determine just who the U.S.

VOA: standard.2009.03.11

There may be circumstances under which it's the case but it's often difficult to control.

可能在某些环境下可以做到,但是通常情况下很难控制。

麻省理工公开课 - 热力学与动力学课程节选

So it's very difficult, but what I come down to is that you just have to place your energy on your breath, and every time you notice your awareness drifts to somewhere else, you have to recognize this drift and let it go.

因此这很难，但我总结的方法是,只需要把能量集中到呼吸上，每次注意力不集中,飘到别处时，要意识到意识的涣散，并放手不管。

普林斯顿公开课 - 人性课程节选