If found guilty, BAE may face huge charges but lawyers say the case may be very difficult to prove.

VOA: standard.2009.10.01

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So I will be really excited to do that, but that is very difficult to get.

如果能成功的话我真的很高兴，但是这个奖学金很难申请到。

耶鲁的著名人士 - SpeakingMax英语口语达人

And that is how, after two very difficult years, we will not only revive the economy, but help to rebuild it stronger than ever before."

VOA: standard.2010.04.24

So it's very difficult, but what I come down to is that you just have to place your energy on your breath, and every time you notice your awareness drifts to somewhere else, you have to recognize this drift and let it go.

因此这很难，但我总结的方法是,只需要把能量集中到呼吸上，每次注意力不集中,飘到别处时，要意识到意识的涣散，并放手不管。

普林斯顿公开课 - 人性课程节选

That is a very difficult thing to say, but that is the truth.

VOA: standard.2009.12.12

A boy who's bullied by his father may hate his father and want to hurt him but since this would--this is very shameful and difficult.

屈于父亲权威下的男孩,可能会憎恨他的父亲，想要伤害父亲,但这个想法是可耻的，也是难以实现的。

耶鲁公开课 - 心理学导论课程节选

Much of the company has been privatized in recent years, but many workers are civil servants and it is very difficult to lay them off in France.

VOA: standard.2010.04.11

I think it's important to get the spending cut too It's very...it's much more difficult to work on the spending in fact but that's essential.

我觉得，同时还应当削减财政支出呢,尽管事实上这个更难做到,但至少这一点至关重要。

斯坦福公开课 - 经济学课程节选

Now this isn't the first time in this course that I've paused over a moment at a crossroads where you can't possibly take both paths but where it is obviously very, very difficult to make up one's mind.

现在是这个课程中第一次,在一个分叉路口停下,我们不可能同时走两条路,但是这也显然是非常难以决定的一个地方。

耶鲁公开课 - 文学理论导论课程节选

Now,that has changed, for sure; but,the centralization of the French government and the domination of Paris over the life of the nation is very difficult to change, over a long period of time.

现在,情况已经发生了改变,但是法国政府的中央集权化,以及巴黎在国民生活中的支配地位,在相当时间段内,都很难得以改变

耶鲁公开课 - 1871年后的法国课程节选

Very difficult problems, but in my judgement, all solvable if we generate the country in the kind of bipartizan political cooperation and political courage that will be necessary to fix them.

这些问题很不容易解决，但我认为,不是不能解决，只要我们,以这种两党制的合作形式治理国家,还要有治理它们的政治勇气。

普林斯顿公开课 - 国际座谈会课程节选

I'm able to move around, but it is very difficult.

我可以跳槽，但很难。

美国的失业情况 - SpeakingMax英语口语达人

but it's also very difficult.

但是它也很难学。

要继续努力 - SpeakingMax英语口语达人

I would just say that in my experience you really have to want to do this, I would definitely encourage people to be aware of the breath and try to be mindful, but remember too it's very difficult for us to leave the negative feelings.

我只想说,根据个人经验，确实要真心想这么做，我肯定会鼓励大家,留意自己的气息，并尝试着留心察觉，但让我们抛下负面情绪,也非常困难。

普林斯顿公开课 - 人性课程节选

You can train it to flap its wings to escape a situation but it's very difficult to get it to flap its wings for food.

你可以训练鸽子,通过扇动翅膀来脱离某个情境,但却很难通过训练鸽子扇动翅膀来进食。

耶鲁公开课 - 心理学导论课程节选