"I'm a kind of pretty quiet, private person,and it's hard for me to share with others.

VOA: standard.2009.12.15

This all came hard and at the cost, I'm sure, of a lot of human life and a lot of misery.

一切都变得艰难了,我确定,这夺走了很多人的生命,造成了很多痛苦

耶鲁公开课 - 古希腊历史简介课程节选

and just, you know, work hard and study, do your homework, eat well too, I'm sure that helps

所以，我的建议是，努力学习，认真完成作业，
同时也好好吃饭，这真的很重要哦。

如果是在考虑留学 - SpeakingMax英语口语达人

I give it such a hard time each time I teach this class, that I'm often tempted to just drop it from the discussion altogether.

每次授课时我都对此严加斥责，而且经常想要直接放弃讨论。

耶鲁公开课 - 死亡课程节选

I'm the heterogeneous system, soft stuff, hard stuff, liquid stuff.

我是非均匀系统，有软的物质，硬的物质，液体物质等。

麻省理工公开课 - 热力学与动力学课程节选

And I think--This strategy is one I'm very enthusiastic about but there still remains what's sometimes called the "Hard Problem of Consciousness" and this involves subjective experience.

这是我所热衷的策略,但却依然存在着,所谓的"意识难题",而这牵涉到个体的主观感受

耶鲁公开课 - 心理学导论课程节选

So this is our grade game, and what I'm going to do, since it's kind of hard to absorb all the information just by reading a paragraph of text, I'm going to make a table to record the information.

就是我们的成绩博弈,因为这么长一段文字,从中摘取信息有点困难,不如我们列表整理信息

耶鲁公开课 - 博弈论课程节选

That's the question we're going to try and address. If we can do this, this is good, because first of all, it removes any questions about what machine I'm running on, it's talking about fundamentally, how hard is this problem, and the second thing is, it is going to do it specifically in terms of the input. Which is one of the things that I was worried about.

这是一个我们接下来要去,尝试和解决的问题，如果我们能做到的话会很不错，因为首先，它解决了结果可能和我,运行的计算机有关系的问题，因为这从根本了告诉了，我们这个问题的复杂度，第二件事情,就是这种方法可以依据输入的大小来计算,而这正是我最担心的地方。

麻省理工公开课 - 计算机科学及编程导论课程节选

They'll say, I usually play for more money and it's hard to concentrate or I'm just screwing around.

他们会说，我玩扑克常常是为了赢更多的钱,但是却难以集中注意力,或者我只是随便玩玩罢了。

耶鲁公开课 - 金融市场课程节选

I'm going through a hard time. I'm really stressed."

恰逢困境，我很难受“

哈佛公开课 - 幸福课课程节选

if you really have some trouble with DVD then Ok, put it in and if I'm not back start it anyhow and I'll try very hard to be here in the meantime,could you make out the card

如果有什么问题的话,如果我没及时赶过来的话，下次把它先放一下,无论如何把它放了，我下次也尽量赶过来,啊，你看一下这个卡

麻省理工公开课 - 电影哲学课程节选

but I'm kind of pushing things to the side. It's kind of hard to turn it off.

但我却会强迫性地去观察。而且很难停止。

旧金山的调酒师 - SpeakingMax英语口语达人

It's hard to explain. I'm not an expert, so I just...

这很难解释。我不是一个专家，所以我只能……

英国的啤酒 - SpeakingMax英语口语达人

I'm afraid that you are sleeping, continue working hard.

我担心你睡着了，要继续努力学习哦！

I'm afraid of 课堂 - SpeakingMax英语口语达人

And so what I'm really doing is inviting you to take a good, cold, hard look at death, and to face it and think about it in a way that most of us don't do.

那就是我要你们做的，认清，死亡的好和坏，面对它，然后思考它,用我们从没用过的方式。

耶鲁公开课 - 死亡课程节选

First of all, it's really hard to figure out where everything is, where everything goes, making sure I'm in the right place.

第一，很难判断事务的位置,事物的走向，还有确定自己处于正确的位置。

麻省理工公开课 - 计算机科学及编程导论课程节选

But that seems very hard to believe ? I mean, when I'm dead, I don't exist, right?

但那又似乎太难以让人信服了,我是说，当我死了的时候，我不存在，不是吗？

耶鲁公开课 - 死亡课程节选

It's not that hard, and in particular, notice that all I'm doing here is writing down notation.

这没有你想象的那么难,我只不过写下了一些符号

耶鲁公开课 - 博弈论课程节选

We are hard-wired to say, "Look. If I'm going to eat a new food and I'm going to get nauseous, " I'm going to avoid that food."

我们深信不疑地说，“如果我吃了一种新食物,感到了恶心，我就不会再吃这种食物了“

耶鲁公开课 - 心理学导论课程节选

But part of the process of being systematic is not assuming that I'm going to get a lucky guess. But not even thinking really hard at this point. But just pruning the search space.

但是系统化的过程是不允许,假设我做出了,一个幸运的猜测的,而是逐步缩小搜索空间。

麻省理工公开课 - 计算机科学及编程导论课程节选

Revenues minus costs makes profits, and again, for those of you who are less familiar with economics, I'm hoping this is not really too hard but you can read up on it.

收入减去成本就是利润,对经济学不太了解的同学,我觉得这个很简单,你们都能听懂吧

耶鲁公开课 - 博弈论课程节选