"She worked really hard while she was in high school to go to college.

VOA: standard.2009.12.04

And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.

而且如果我们这么做，事实上，用光轰击它以逐出电子，它就会在原位置沿直线返回，或者如果它被撞击的足够猛烈,也会出现上述现象。

麻省理工公开课 - 化学原理课程节选

You've been working so hard lately and you finally get a few minutes to yourself. So, you can go to the club.

最近你工作非常辛苦，现在终于有一点时间留给自己。所以，你可以去夜店放松一下。

I'm ~ing 课堂 - SpeakingMax英语口语达人

"We had been training long and hard for the mission, and we knew the baby was coming so it was easy to go on and do my tasks,"

VOA: standard.2009.11.30

One of the reasons for thinking it's not clear whether the argument fails or not is because it's hard to pin down, where exactly did it go wrong?

并不能确定这个论证是否成立,的其中一个原因就是,我们很难确定,到底是哪里出了问题

耶鲁公开课 - 死亡课程节选

Armah says he's figured out how to get through the hard day. "The best thing for you to do is to go and sleep, and you'll not feel very hungry,".

VOA: standard.2009.09.26

You can talk about working hard on your joint problem sets, but as long as you go home and you don't work hard, it doesn't help.

你大谈特谈你在多么努力地做家庭作业,但是回家后如果你依旧偷懒,这还是无济于事

耶鲁公开课 - 博弈论课程节选

I really did. I mean,sure, maybe we could do it again, but it's tough I mean the amount of money time and effort that goes into these things puts a huge strain on the city and the resources, so I hope we go for it again but I think it's hard,".

VOA: standard.2009.10.02

I think that it makes it hard for that particular area of scientific research to go forward.

我想在这方面的科学研究很难推进。

生物克隆是热点问题 - SpeakingMax英语口语达人

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

Instead of hard labor to go get food all it requiresis a little drive-in to the window.

和先前辛苦劳作以获取食物不一样,取而代之的是,免下车餐厅

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I think if you work hard enough, you can go in anywhere you want.

我觉得，只要你足够努力，你就可以去任何你想去的地方。

美国贫富差距？ - SpeakingMax英语口语达人

Now if all we have to go on is just this semiotic system, it's going to be kind of hard to put up resistance to by the same token we'll say "yellow" means "pause," "green" means "go."

而从语义学角度分析，我们必须不能这么想,这样绿色自然就表示继续，黄色表示暂停“

耶鲁公开课 - 文学理论导论课程节选

So if you had a hard day, you go to Nick's for vodka.

所以如果你这一天过得很辛苦，就到Nick's喝伏特加吧。

比佛利山庄的美食街 - SpeakingMax英语口语达人

When you go into a restaurant now, unless you want to go look at a board on the wall or get a pamphlet that may be hard to find, or go to the website, it's going to be pretty hard to know what you're eating in those foods.

现在当我们去餐馆吃饭时,除非看一看墙上的菜单板,或者是去翻往往很难找到的宣传册,再或者去网站查看,否则很难知道,我们在进餐时到底摄入了些什么成分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选