And that is something California Assembly member Fiona Ma of San Francisco is working hard to change.

VOA: standard.2010.07.26

Supposed to be something hard.

本来就该很困难。

哈佛公开课 - 幸福课课程节选

Something that's really hard to do and when you finally managed to do it,

有时候这很难做，当你终于设法学会的时候，

滑板的魅力 - SpeakingMax英语口语达人

"Now,the degree which will have on the peace process and other things which are sort of the hard facts of the Middle East,is something else, altogether,as obviously there is a very serious problem with the Israeli government and so on.

VOA: standard.2009.05.09

One can never come before something that, of course, has already happened, but this fiction of an impossible firstness is something that Milton is working very hard to accomplish here.

一个人绝不可能先于，已经发生的事情，但弥尔顿在这里就是要,努力达成这种不可能的先知。

耶鲁公开课 - 弥尔顿课程节选

"But they've had to back away from that, because any Karzai fault is something that really can be linked very much to the failure of the United States to press very hard for greater transparency, greater accountability, and to also put in place institutions that are responsive to the Afghan people."

VOA: standard.2009.08.03

In any event,the fans of the personality theory shouldn't be laughing too hard, because they're going to have to say something similar.

而人格理论的拥护者也不该笑得太早，因为他们要说的也是一样。

耶鲁公开课 - 死亡课程节选

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

If something really hits you hard and you would be starving, that would be really bad.

如果你因遭遇某种巨大冲击,承受巨大损失以致于不得不挨饿，那就太糟糕了。

耶鲁公开课 - 金融市场课程节选

How hard did you find it to estimate how much you were eating of something?

你觉得估算自己,吃了多少量有多困难

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 another possibility is once you do something it's kind of hard to stop.

但也有可能是因为,婴儿很难使自己的惯性动作停下来

耶鲁公开课 - 心理学导论课程节选

The answer is I can't. OK, in the simple case of integers I can, but in the case of something more complex like faces or fingerprints or passwords for that matter, it's hard to design a hash function that has completely even distribution, meaning that it takes any input into exactly one output spot.

答案是我不能，好吧,在简单的整数的例子中,我可以做到，但是在一些更复杂的场景中,比如面部，指纹，密码相关的问题中，很难设计一个哈希函数具备完全平均的分配,也就是说，做到对任一输入，可以准确地得到相应的唯一输出,因此在一个哈希问题中。

麻省理工公开课 - 计算机科学及编程导论课程节选

With something like Shakespeare, I mean, it's really hard.

看莎士比亚这种东西，真的很难。

要想成为读书达人 - SpeakingMax英语口语达人

In fact, even if you haven't had a biology class it's hard to be alive in 2008 and not know something about DNA; it's become such an important part of our lives.

实际上,即使你们没有上过生物课,也不可能活在当下却对DNA一无所知,它已经与我们的生活密不可分

耶鲁公开课 - 生物医学工程探索课程节选