But what was that? The snow packed down hard under someones shoes.

VOA: special.2010.02.27

That's why many of them are thinking really very hard of how to foster entrepreneurship, how to encourage innovation.

这就是为什么大家都在思索,如何才能培养企业家精神，如何鼓励创新。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

And once you... when you're having that bad of a season, it's really hard to get everyone passionate about it,

所以一旦赛季取得很差的成绩，就很难保持球队的激情，

足球部队长的领导力 - SpeakingMax英语口语达人

But that's their hard luck,not his.

VOA: special.2010.03.25

And it's hard to imagine a simpler program than this. So we very quickly realize that exhaustive testing is just never feasible for an interesting program.

更简单的程序了,因此我们很快的意识到,对一个程序来说详尽的,测试是永远不可行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

"I never done it in my life - I don't,know kind of hard, that's why I am still here - unemployed."

VOA: standard.2010.05.15

It's this kind of wealth that allow them to fight this long, hard war of independence, which they finally win.

这些所带来的财富,就成了他们为之奋斗的原动力,使得他们在艰苦的独立战争中获得胜利

耶鲁公开课 - 欧洲文明课程节选

But a section of the country's labor code states that women should not do "hard,physical" labor that entails harmful or dangerous conditions.

VOA: standard.2009.11.05

Even though a hard drive spins at 7200 times per minute or even faster, that's relatively slower than the speed of light.

即使一个硬盘驱动器的转速达到每分钟7200次,甚至更快，仍然比光速慢。

哈佛公开课 - 计算机科学课程节选

It's the hardest in some time. But let's always remember that, as a people,the American people, we've weathered some hard winters before,".

VOA: standard.2010.01.17

Because it's hard when you go back being part of any group. Once you are in that group, and away from other people, it's very hard to remember We've talked that -Oh, have you?

因为如果你回到原来的群体中,就会变得难了，因为你只要一呆在那个群体中，远离其他人，就很难,我们聊过这个，-是吗？

普林斯顿公开课 - 人性课程节选

The generation gap in our country is so huge that it's hard to make a compromise."

VOA: standard.2009.12.16

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

President Obama told people in the nation's largest state, which has been hit especially hard by the economic crisis, that "there will be brighter days ahead."

VOA: standard.2009.03.20

These cells are rare and so it's been hard to identify them, that's part of it.

这些细胞太少了,所以很难找到,这是原因之一

耶鲁公开课 - 生物医学工程探索课程节选

But like a recurring dream, this is a movie that's hard to forget.

VOA: standard.2010.07.20

But, to anyone paying attention to the other things that Zooey says and the other things that he does in this novel, this is kind of odd, and it's hard to square.

但是，在小说里，在意着任何,左伊说的或做的其他事情的人，有点奇怪，非常难达成一致。

耶鲁公开课 - 1945年后的美国小说课程节选

It's done,but it's hard for her to get to the point where everyone is going to accept that and this is the one that it, sort of,happens in."

VOA: standard.2010.07.07

That's not hard; you have it right in front of you.

并不难回答的问题，可以从你面前的那张纸上找到答案。

耶鲁公开课 - 旧约导论课程节选

"It's hard to believe that they will be treated like heroes.

VOA: standard.2010.07.09

We have people inventing them, but even the ones that are invented aren't very helpful, because it's awfully hard to know how they did what they did.

有人试图还原古代战争,但是得出的结果并没有太大的意义,因为我们对此实在是知之甚少

耶鲁公开课 - 古希腊历史简介课程节选

It's very,very hard to get to the truth of that matter.

VOA: standard.2010.08.11

I think that's gut-level, hard-wired, evolved to solve prisoner's dilemmas.

这种感觉是根深蒂固的，经过进化而来的，帮我们解决囚徒困境的。

耶鲁公开课 - 心理学导论课程节选

While in Pakistan this week, U.S.Secretary of State Hillary Clinton said she finds it hard to believe that the Pakistani government does not know where al-Qaida leaders are hiding in the country.

VOA: standard.2009.10.30

So it's hard to realize that in the terrestrial situation.

这在现实世界很难实现

耶鲁公开课 - 基础物理课程节选

Senator Kerry said the package is intended to be a true sign of friendship for Pakistan, while spokesman Crowley said it creates balance in the U.S.aid program and that it is hard to see how that impedes Pakistan's military.

VOA: standard.2009.10.13

Well it's very hard to find muffins that size.

找到这样大小的松饼简直不可能

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 I also want to point out, it's guaranteed pretty much you may or may not be able to see, sometimes it's hard to see that one that's getting near the UV end of our visible spectrum. So we won't worry if we can't see that.

我要指出的是，我可以保证你们,但你们可能会看不到，有时候很难看到,这个可见光谱边缘接近紫外光地方的这根谱线,所以看不到也不用担心。

麻省理工公开课 - 化学原理课程节选

If you were to defend the easy pass and he goes through the easy pass, he will get into your country with one battalion and that's the same as he would have got if he went through the hard pass.

如果你们都选择的是平坦之途,那么他攻入你的国家时他只剩一个营,这与他选择崎岖之途别无二致

耶鲁公开课 - 博弈论课程节选

It's hard to write a lot of stuff in a language that you're not as familiar with,

用你不熟悉的语言写论文真的很难，

选择国际学的理由 - SpeakingMax英语口语达人