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We can never just have it there before us or, as I say, if we can--if we can--it's a very, very difficult act of concentration.
我们永远不能只面对着它，或者，要我来说，如果我们可以的话，那将需要高度集中注意力，这是很难的。
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And the first year of law school was notorious for being difficult and grinding, you know, it was like that.
法学院的第一年是众所周知的——课程很难，让人难以忍受。
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They might have to be formulated as very small steps, in order to do that, but you could.
他们那被构造出来，这些过程必须很小，这好像很难，但实际上是可以做到的。
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It's a very complicated situation because the kind of economic risks that we face are difficult for most people to understand.
一个很复杂的情况是,我们所面临的经济风险,很难被大众完全理解。
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It's very difficult even to keep in mind the conceptual difference between these two sorts of supplement.
要记住,这两种补充的不同是很难的。
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This is necessary, it's hard to find holes in a Nobel Prize worthy idea.
这是很必要的，在一个获得诺贝尔的想法中,很难发现漏洞。
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But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.
但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。
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Because as a young, four or five-year-old company, if we're trying to attract somebody from a company that's been around since before I was born, that is in the computer industry, that's pretty hard.
因为作为一个只有四五岁的年轻公司，如果我们想要吸引大家的注意,尤其是在公司创立之前，这在电脑行业是很难的。
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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
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It's hard to predict, my guess will be the latter.
这很难预料，我猜是后者。
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If you go to the dining hall you know, the portions-- one person serves themselves this much of a food and another serves themselves another, and then when you go to a restaurant there are variations on how much you get served of things, and so it's very hard to estimate portions for people.
如果你去食堂,摄入量是指,一个人吃了自己的那部分食物,或其他人吃的他们的那一部分,当你去餐厅,每次吃多少是变化的,因此估算每个人的摄入量是很难的
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It's a secret number so that if Julius Caesar scrambled his message with the key 13, well, then the recipient had better know what that number is or realistically, -- and this is why it's kind of hard to buy -- into some of these age old algorithms, -- what would an alternative approach be to figuring out Julius Caesar's messages to his generals if he didn't know that secret number was 13?
它是一个机密的数字，以至于,如果凯撒大帝使用密钥13加密了它的消息，然后接收者最好知道那个数字是什么,实际上--这就是为什么很难,破解这些古老的算法-,有什么变换方法使凯撒大帝的将军,可以解密凯撒大帝的消息，如果他不知道,那个机密数字是13呢？
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Well, as Carl Sagan would have said, there are billions and billions of tests we would have to do. Or maybe it's billions and billions and billions. Pretty impractical.
好，就像Carl，Sagan，说过的，我们得做十亿个十亿测试,或者可能是十亿个十亿个十亿测试,很不切实际，很难想象出一个。
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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？
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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
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It was becoming absolutely impossible, in fact, or at least much, much harder, to claim that there was a single expression of religious truth to which the English nation could consensually subscribe.
实际上，这是绝对不可能的，至少也是很难断言称,这种宗教真理是,整个英国都能勉强赞同的。
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Modern poetry is difficult and these are difficult lines.
现代诗是很难读的，这些诗句也非常难以理解。
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So it's quite difficult in the real world for candidates to position themselves.
所以在现实生活中候选人,选择位置是很难的
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Hard to believe today, but Sicily was one of the major granaries of the Mediterranean world at that time, tremendously fruitful, able to grow the best possible crops, very good wheat and so on.
在今天很难想象,但西西里是当时地中海地区,最主要的粮仓之一,产物丰盛,能够种植最好的谷物,上乘的小麦等等
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Not too many people are willing to see this, and perhaps it is hard to see, because Hazel Motes is such an admirable nihilist.
没有很多人想看，或者说是也许很难看到这封信，因为Hazel，Motes是,如此一个的虚无主义者。
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So it's often, I think people have a hard time delivering bad news,
有些时候，人们会觉得告诉客户坏消息是很难的事情，
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and, I think, hard to find from colleges around the world.
而且，我认为这些东西是很难从世界各地的其它大学找到的。
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Even if the thing that you really want is an integral that would be difficult to evaluate.
即使需要计算的,是一个很难的积分。
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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。
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When you buy high and sell low it's really hard to generate returns, even if you do it with great enthusiasm and great volume.
当你高价买入低价卖出时,是很难产生回报的,不管你有多大交易热情或有多大交易量
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We respnded aggressively, very aggressively on a lot of different occasions, and it was the kind of crisis that is just hard to keep control of. Ultimately we did.
我们的应对措施很强势，非常强势,在很多情况下都是如此，这次危机是,很难控制的，但最终我们做到了。
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Like algorithmic complexity.
是很难被归类到编程问题里面的。
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Of course,that's a big if.
当然这个，如果，是很难实现的。
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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
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But still, it's crucial to understand, doing the readings is an important part of learning what this course has to offer.
但仍旧，它很难理解，做课外阅读是学习很重要的一部分,对于这门课所提供给你们的内容而言。
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