PROFESSOR BAWENDI: The only But it's hard to imagine an irreversible compression the way we can just imagine an irreversible expansion.

,但是我们很难,像描述不可逆膨胀一样,来描述不可逆压缩。

麻省理工公开课 - 热力学与动力学课程节选

So I will be really excited to do that, but that is very difficult to get.

如果能成功的话我真的很高兴，但是这个奖学金很难申请到。

耶鲁的著名人士 - SpeakingMax英语口语达人

And it's just very hard to change something that hasn't changed very much.

但是不经常改变的事物,想要改变是很难的。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

That's a complicated thing that accountants figure out and accountants find it difficult to define the earnings of a company, but they do something and they come up with a number.

会计们会计算这个复杂的问题,他们还会发现公司收益很难定义,但是他们会想办法,得出一个数字

耶鲁公开课 - 金融市场课程节选

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

Experimentally, though, that's not such an easy situation to arrange.

但是保持熵恒定在实验上很难实现，当然保持温度。

麻省理工公开课 - 热力学与动力学课程节选

Got it.At one end though, s the Wall Street end, s much harder to see direct government interference.

明白，但是另一方面，华尔街，it’,很难看见，it’,政府的直接干预。

斯坦福公开课 - 经济学课程节选

And you know, that's tough for them but you know what, if you fall down,

对他们来说很难，但是如果你摔倒了，

不要放弃 - SpeakingMax英语口语达人

There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选

but because Los Angeles is so big and so spread out, it's kind of difficult.

但是因为洛杉矶太大，面积太广，这很难。

大众交通枢纽 - SpeakingMax英语口语达人

but it's hard because I wouldn't know what to choose.

但是，这很难，因为我不知道该选什么专业。

想开精品店 - SpeakingMax英语口语达人

I think working for myself is ideal. It's hard, but

我觉得自己经营最理想了。这很难，但是

为我的生活 - SpeakingMax英语口语达人

The things that they taught us in school, when they required us to remember poetry, no matter how we try, we can't forget it, and the stuff that we had to remember that was in prose, no matter how we try we can't remember it.

我们在学校所学的知识,当以诗歌的形式进行记忆时,不论怎么尝试,我们都很难忘记,但是如果让我们背诵散文,不论怎么尝试,我们都很难记住

耶鲁公开课 - 古希腊历史简介课程节选

But it's really difficult and really time-consuming.

但是很难，很花时间。

要成为建筑家 - SpeakingMax英语口语达人

but it's also very difficult.

但是它也很难学。

要继续努力 - SpeakingMax英语口语达人

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

In Renaissance Italy they started writing insurance policies-- I read one of the insurance policies, it's in the Journal of Risk and Insurance-- and they translate a Renaissance insurance policy and it's very hard to understand what this policy was saying.

在文艺复兴时期的意大利,人们开始编写保单,我看过其中一份,刊登在《风险和保险杂志》上,他们翻译了一份文艺复兴时期的保单,但是很难理解那份保单到底想说什么

耶鲁公开课 - 金融市场课程节选

There are so many ways in which that has changed the world, but I can't do justice to it but Hanson does, so if you want to read, fields Without Dreams, you can ponder the significance of this great change.

有太多改变这个世界的因素了,我很难全部都客观地讲出来,但是汉森可以,你可以在《遗梦之野》中有所了解,你可以仔细琢磨这些伟大的变革

耶鲁公开课 - 古希腊历史简介课程节选