An extremely low body temperature can cause the heart to beat so slowly that a pulse may be difficult to find.

VOA: special.2009.12.30

It's very difficult to be happy if we are experiencing severe depression or anxiety.

要快乐并不容易,如果我们感觉很压抑或焦虑。

哈佛公开课 - 幸福课课程节选

Oh really? I imagine that it must be very difficult to drive in a big city like New York.

是吗？在大城市开车肯定会比较困难，比如在纽约。

Do you ever实战 - SpeakingMax英语口语达人

I did not want them to be difficult or to get in my hair while I was working on the computer.

VOA: special.2009.05.03

Other things that you think might make it difficult to be accurate with those?

大家认为还有什么因素会影响记录准确性

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But they say finding injured birds in the huge spill and sending out boats to rescue them will be a difficult job.

VOA: special.2010.05.04

It shouldn't be difficult to see a kind of problem that is beginning to arise in Milton's text here.

这是一个很容易看出的问题,在弥尔顿的作品中也被提了出来。

耶鲁公开课 - 弥尔顿课程节选

The issues must be treated carefully, or they will be difficult and painful if an elected official has to deal with them.

VOA: special.2009.12.06

I'm not going to have you work long hours on difficult problems to be submitted and then graded.

我的作业不会让你们花费大量的时间,去钻研很难的问题，然后交上来让我打分。

麻省理工公开课 - 固态化学导论课程节选

They realize it can be difficult to balance college classes and a job during the school year.

VOA: special.2010.06.18

The New Criticism, incontestably and without rival, created an atmosphere in which it was okay to notice that things were a little more difficult than they'd been supposed to be.

新批评派，无可厚非，创造了一种很好的风气，大家似乎都能欣然接受,那些看起来还比较复杂的东西。

耶鲁公开课 - 文学理论导论课程节选

Studies have found that nicotine can be as difficult to resist as alcohol or the drug cocaine.

VOA: special.2010.03.09

If you go to the right region of an adult brain you might be able to find cells like this but it's more difficult.

如果你在一个成人大脑的正确区域找,你也许能找到这样的细胞,但会更困难一些

耶鲁公开课 - 生物医学工程探索课程节选

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

VOA: special.2009.05.28

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

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

VOA: special.2009.10.18

This is not meant to be difficult.

这个作业不会很难

耶鲁公开课 - 心理学导论课程节选

He says it will be difficult for Iraqi security forces to stop Sunni attacks, unless Sunnis themselves decide to stop them as they did in two thousand seven.

VOA: special.2009.08.22

I don't want to have to deal with heat escaping to the outside environment in a way that might be difficult or complicated to measure or calculate.

我可不想处理跑到,环境中去的热量，那测量或,计算起来会非常麻烦和复杂。

麻省理工公开课 - 热力学与动力学课程节选

But getting food to Fort Sumter would be a very difficult job.

VOA: special.2009.08.06

So in retrospect, I think the way to deal with crisis, deal with challenge, deal with difficult times, is like this: First, you need to be realistic.

回首去年，我们应对危机，面对挑战时，所采取的方法就是：,首先，要变得现实一些。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

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

VOA: special.2009.05.13

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

And the fluid replacement solutions can also be difficult to find.

VOA: special.2009.11.09

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

So it might be difficult to imagine anything twice as big.

VOA: special.2009.09.22

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

"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

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

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