Fellow selector and track legend Edwin Moses say it will be difficult for Usain Bolt to win the title for a second consecutive year.

VOA: standard.2010.02.11

So it's going to be pretty difficult for us to sustain this joint monopoly output, this collusive agreement.

因此说想要通过私下协议来,维持垄断产量,是非常困难的

耶鲁公开课 - 博弈论课程节选

For some of you it may be difficult I know that and I want you to rest assured that no one in this course wishes to undermine or malign religious faith any more than they wish to promote or proselytize for religious faith.

我知道对你们中的另一些人来说这门课会有困难,不过我想要你们放心,这门课上没有人想要破灭和诋毁宗教信仰,同样也没人想要劝诱他人信教。

耶鲁公开课 - 旧约导论课程节选

"Right away,I was brought back to reality, how things can be difficult for me as well."

VOA: standard.2010.07.22

Toward the end of his life while he was still 100% lucid, it was more difficult for him to be mobile and to go into organizations.

在他生命的最后当他头脑还百分百清醒时，活动和参加组织活动对他来说更加困难了。

哈佛公开课 - 幸福课课程节选

"This is the starting point. Unless there is an end, a real cessation from these activities, it will be difficult for any Palestinian negotiator to come back to the table.

VOA: standard.2009.04.09

Some of this material for some of you is going to be very,very difficult.

其中一些内容对一些人来说将会非常难。

耶鲁公开课 - 死亡课程节选

In Washington, Julianne Brienza notes that next year it will be more difficult to get donations for Capital Fringe.

VOA: special.2009.08.05

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

But for people who have a difficult time controlling their movements, this little navigational issue can be a really big problem.

VOA: special.2011.04.18

This makes it difficult you could say and this is Aristotle's point I think this makes it difficult for the philosopher to be a good citizen of any actual regime.

可以这么说，这让它变得很难搞,而这也是亚里士多德的重点,我认为这让哲学家很难成为好公民,无论身处那一种现行政体中。

耶鲁公开课 - 政治哲学导论课程节选

Everyone knows life for refugees and migrant workers can be difficult, dangerous and even deadly.

VOA: special.2011.07.06

But in citing the power of what she claims to be this Puritan bogey, Virginia Woolf really suddenly reveals, I think, how difficult it is even for her to shut out entirely the real -or it might just be the bogus--power of John Milton.

但是通过指出这她称之为清教徒式的妖言的力量，佛吉尼亚·伍尔夫的确突然间向人们展示了，我想，即使是她，想要完全抵御弥尔顿的切实存在的力量,-也有可能仅仅是蛊惑人的妖言--是非常困难的。

耶鲁公开课 - 弥尔顿课程节选

But advisers say these can also be difficult sometimes for foreign students to get.

VOA: special.2009.05.28

He says, "to succeed in many things or many times is 'difficult.' For instance, to repeat the same throw of dice 10,000 times would be impossible; whereas, to make it once or twice is comparatively easy."

他说,要成就很多事情,或成就一件事情很多次,是很困难的,比如,掷一万次骰子都得到同样的结果,是不可能的,但是,掷一两次却是相对容易的

耶鲁公开课 - 金融市场课程节选

And identifying the cause of the pain can be difficult, especially for untrained doctors.

VOA: special.2011.07.26

It shouldn't be difficult to locate the reading for any given week.

在给定的时间里,找到读物应该不难。

耶鲁公开课 - 死亡课程节选

It can be difficult to earn enough money for a family to survive.

VOA: special.2009.10.18

That means that for humans it can be a difficult and hostile place.

也就是说，它对于人类是个艰难且充满挑衅的地方。

耶鲁公开课 - 旧约导论课程节选

But it has been difficult for women to be successful scientists.

VOA: special.2009.05.13

"Many mothers deliver at home in sub-Saharan Africa and it's very difficult for them to get to a hospital or clinic which may be miles away in that time period.

VOA: special.2010.05.24

Yet it was difficult for him to be unemotional.

VOA: special.2009.04.02

(SAYING) Mely says that while the push for immigration reform is difficult, it should not be impossible.

VOA: standard.2010.03.21

He explains that despite their differences the plane crash in Russia is "a great loss for the nation, which will be difficult to overcome."

VOA: standard.2010.04.10

Karroubi's son was savagely beaten. And,I think, under those circumstances, it is going to be very difficult for them to organize a stratagem moving forward."

VOA: standard.2010.06.11

Sam Sedaei says that identity is like an invisible man, and for him as an Iranian American, a coherent identity can be even more difficult to see.

VOA: standard.2010.06.15

Authorities predicted the actions would weaken the local off-shoot of the terror network, arguing that support for the group had waned and replacing the leadership would be difficult.

VOA: standard.2010.05.10

"I was one of these teenagers, and so I know how difficult it can be to break this habit when it's been with you for a long time,".

VOA: standard.2009.06.22

He said Palestinians are waiting for the Americans to cancel that decision because it will be difficult to see the process restarting with this kind of action in place.

VOA: standard.2010.03.11

"As long as Gilad Shalit is there it is going to be very difficult for any Israeli government to suddenly say ok, we are going to change our policy.

VOA: standard.2010.06.10