Unity was difficult. Being somewhat isolated, the inhabitants of each region developed a distinctive economic and cultural character.

团结很困难，它有一点孤立，每一个地域的居民都发展起来,有了各自经济文化特点。

耶鲁公开课 - 旧约导论课程节选

so it's much, much harder to run the ball because there're so much more chance and opposition.

所以带球跑是非常非常困难的，因为中间有太多的空挡和反击。

美式足球 - SpeakingMax英语口语达人

It did it through banks; they gave the money to banks to make loans to people who were in trouble.

贷款还是通过银行发放,他们把钱给银行,然后由银行向有困难的人放贷

耶鲁公开课 - 金融市场课程节选

There is a lot of research in psychology, a lot of evidence that shows how difficult change is.

心理学的研究有很多，很多证据显示，改变是非常困难的事。

哈佛公开课 - 幸福课课程节选

They come so instinctively and easily it's difficult, and sort of unnatural, to step back and explore them scientifically but if we're going to be scientists and look at the mind from a scientific perspective we have to get a sort of distance from ourselves and ask questions that other people would not normally think to ask.

他们来得如此本能，容易,这是困难的，有某种超自然韵味，退后，从科学角度研究他们,但如果我们打算成为科学家,从科学角度,看待心理,我们需同我们自身保持某种距离,问问题,问其他人通常不想问的。

耶鲁公开课 - 心理学导论课程节选

I don't really like the centre because there's just too many buses and it's a bit difficult.

我真的不喜欢市中心，因为有太多的车了，骑车有点困难。

伦敦的蓝色自行车 - SpeakingMax英语口语达人

Sometimes when I am traveling in America, people have a difficulty understanding me.

有时候，当我在美国旅游的时候，人们要理解我，会有一点困难。

有趣的澳大利亚英语 - SpeakingMax英语口语达人

And the prospect of having a lot of time to pursue math problems of a richer and deeper sort seems fairly attractive.

要是能有时间,解决更困难更深奥的数学问题,对我相当有引吸力。

耶鲁公开课 - 死亡课程节选

A lot of sciences rest on data that is flawed in some ways because of the difficulties in assessing what people eat.

许多依赖数据的科学常识是有瑕疵的,由于评估人类所吃食物非常困难

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But in citing the power of what she claims to be this Puritan bogey, Virginia Woolf really suddenly reveals, I think, how difficult it is even for her to shut out entirely the real -or it might just be the bogus--power of John Milton.

但是通过指出这她称之为清教徒式的妖言的力量，佛吉尼亚·伍尔夫的确突然间向人们展示了，我想，即使是她，想要完全抵御弥尔顿的切实存在的力量,-也有可能仅仅是蛊惑人的妖言--是非常困难的。

耶鲁公开课 - 弥尔顿课程节选

Perhaps, there is a difficult question that you want to ask somebody.

假如你有一个比较困难的问题想询问其他人。

I want to 课堂 - SpeakingMax英语口语达人

To be honest, especially those of you less comfortable here, if you've ever struggled with some program or struggled with some piece of software, oh it's alright, it's not your fault.

说实话，尤其是对那些在这里上课有些吃力的同学，如果你曾经使用哪个程序或软件有困难,好吧，那不是你的错。

哈佛公开课 - 计算机科学课程节选

They say with the contraction in Venture Capital doesn't mean we're not going to get good solutions to the business problems we face.

他们认为风险投资上的契约并不意味着,能有好的方式来解决面临的商业困难。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Do you have any difficulties in being close with them?

你跟他们的关系变得亲密有困难吗？

有趣的留学生活 - SpeakingMax英语口语达人

I have trouble understanding them

我有困难理解他们的课，

热情的教授 - SpeakingMax英语口语达人

This analysis has explained why people don't always help others in need.

这个分析解释了为什么人们,并不总是帮助有困难的人。

耶鲁公开课 - 心理学导论课程节选

Their memory improved, and they persisted more on difficult tasks.

他们的记忆力得到改进，面对困难任务时更有持久力。

哈佛公开课 - 幸福课课程节选

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

It also is a good lesson in how difficult it is, and we'll talk about this in a subsequent class, to actually measure what people eat.

同样这能很好的说明,实际评价人们的饮食有多困难,我们下节课会讨论这个话题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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