My mother always told me, if you study hard, the answers should be right under your nose or easily seen.

VOA: special.2009.09.13

It was very well received. You decided, "for my next project I am going to write about my life." You've had a hard life, by the way.

你决定：，“我的下一本书要写我的生活”,顺便提一下，你的日子很贫苦。

耶鲁公开课 - 1945年后的美国小说课程节选

I think I could maybe afford a front door if I work really hard for the rest of my life.

我想如果我下半辈子努力工作的话，我可以买得起一个前门。

怡人的的汉普斯特德 - SpeakingMax英语口语达人

I looked hard at my friend. I could not have been more surprised if he has said the same thing about Nepoleon,or Socrates,or Solomon.

VOA: special.2011.03.26

There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is because my father rolls up his sleeves and prepares to work hard.

VOA: special.2010.05.02

The other problem is that as it was passed from me to another individual, to another individual, then the vaccine could change in some ways that were hard to predict because what accumulates in the lesion in my arm is different in some way than what accumulates in the lesion on a cow.

另外一个问题是当疫苗从我这传到另一人,到另一个个体,疫苗可能会发生某些改变,这种改变很难预测,因为胳膊上积累的病变,与牛身上积累的病变是不太一样的

耶鲁公开课 - 生物医学工程探索课程节选

Everyone in my office works hard, but some people have had their wings clipped.

VOA: special.2010.06.13

It's hard to predict, my guess will be the latter.

这很难预料，我猜是后者。

普林斯顿公开课 - 国际座谈会课程节选

This came as a shock to me. I looked hard at my friend.

VOA: special.2009.01.03

So I just sit in there and work on, work on the sounds that are hard for my English tongue to produce.

有一些和英语发音不同的地方让我感到很难，我会长时间地练习这些发音。

想学好英语吗？ - SpeakingMax英语口语达人

"Apart from my mother, everybody laughing, she would say if you really want something, you work hard, you take advantage of opportunity, you never give up,you find a way.

VOA: special.2009.11.18

And then she practices really hard, listening to all the things that I, all my suggestions and comments.

然后她很努力地练习，听取我所有的建议和评价。

和钢琴老师 - SpeakingMax英语口语达人

Instead,my friend was always hard up for cash.

VOA: special.2009.10.04

Well, every single day, my goal right now is to cultivate contentment, which is really hard.

嗯，我现在的目标，就是要每天培养满足感，这真的很难。

我的理想是 - SpeakingMax英语口语达人

"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 really hard to think of all stuff off the top of my head.

脑子里一时想到的都说出来还真难呢。

只要是音乐就好 - SpeakingMax英语口语达人

And even among those that quote,unquote may be hungry or poor, it's quite often viewed as 'they deserved it, they are not hard workers, it's not my problem,'".

VOA: standard.2009.09.09

Problem is here, that Player II has a continuum of strategies and trying to draw all possible probabilities over an infinite number of objects on the board is more than my drawing can do. Too hard.

现在问题是,参与人II的策略是连续的,想要把无限可能性的概率,做成图都画在黑板上,是不可能的了

耶鲁公开课 - 博弈论课程节选