But protecting plants and trees in the garden may not be too difficult if you follow a few suggestions.

VOA: special.2010.01.12

It is a little bit difficult in the sense that to have gotten into Princeton, one almost certainly has had to know something about something. Right?

之所以比较困难是因为,一个人如果想要进入普林斯顿大学，他一定,对某个领域有一定了解？

普林斯顿公开课 - 人性课程节选

So I think that it's true that the economy is difficult and there is big challenge in front of us.

所以我觉得，目前的经济形势真的很困难，我们面临着很大的挑战。

事业就是挑战 - SpeakingMax英语口语达人

He says the actively changing nature of the Internet makes it difficult to stay current in studying its effects.

VOA: special.2010.01.28

This proves to be really difficult in the real world because in the real world it's hard to pull apart genes and environments So, you and me will have different personalities ? Why?

这在现实中是很难区分的,因为现实中很难,把基因和环境分开来讲,你和我有不同的性格,为什么？

耶鲁公开课 - 心理学导论课程节选

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

So I started to talk to the VCs and asking for $10 million at a very, very difficult time in Internet history.

就在互联网历史上最艰难的时期，我开始跟风险投资商接洽，向他们要1000万美元。

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

"The ambiguity that's in those answers is very,very difficult for humans to understand, never mind a computer to understand.

VOA: special.2011.02.28

He says, "Poetry in our own time-- -- such is the complexity of the world we live in-- must be difficult."

他写道，“我们这一时代的诗-,正如我们生活着的世界-,让人费解“

耶鲁公开课 - 文学理论导论课程节选

He said the most difficult period of the trip was crossing the Yukon Arctic and the Arctic National Wildlife Refuge in Alaska.

VOA: special.2011.03.23

These are difficult lines physically to read, and they may very well be the most painful lines in the entire poem from an emotional perspective.

从情感的角度看待整首诗，这几行比较难懂,读起来也比较费力。

耶鲁公开课 - 弥尔顿课程节选

The objects in the exhibit tell a story about government expansion during a difficult period in American history.

VOA: special.2009.01.02

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 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

Imagine if an aeronautics engineer : woke up in the morning and said, "you know,the Law of Gravity thing really makes things difficult for me.

试想一下，如果一个航空工程师,在早上醒来，说，“万有引力,真的带给我很多麻烦。

哈佛公开课 - 幸福课课程节选

President Obama also spoke about the difficult time people in the Gulf area were going through as a result of the oil spill.

VOA: special.2010.06.18

I want to illustrate one of the reasons why it has been so difficult to get a grasp on the hair cells in the inner ear.

我想用图例为大家说明一下,为什么难以捕获内耳中的毛细胞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The most difficult national problem facing the administration of President Franklin Pierce was the situation in Kansas.

VOA: special.2009.05.07

I'm saying that kind of jokingly but I think you are facing a rather if you're out in the job market you are facing a difficult economy

我或许有些开玩笑的说了这些话,但是我认为你们正面临着,如果你们没在找工作,你们就面临着困难的经济状况

耶鲁公开课 - 金融市场课程节选

His first years in the United States were difficult, like those of most immigrants at that time.

VOA: special.2010.08.01

So while the relationship of D to some of the laws in the Covenant Code is often--not always but often--one of revision, the relationship between D and the laws in the Priestly source is more difficult to characterize.

那么，尽管申命记材料和契约法典中的律法的关系,往往是，不是总是而是往往，是修订，申命记材料中的,律法和祭祀派材料的的关系则更难定义。

耶鲁公开课 - 旧约导论课程节选

So they quickly passed a bill that made it much more difficult for Chinese citizens to come to live in the United States.

VOA: special.2010.03.11

The next difficult thing is to consider motion in higher dimensions.

更难的就是,要考虑更高维的运动

耶鲁公开课 - 基础物理课程节选

The Democratic Party had a much more difficult time choosing a candidate for president in eighteen sixty-eight.

VOA: special.2010.02.11

He learned Dutch-- and Dutch is a very difficult language-- in 1696, while the Turkish war went on, or one of them he went off to Western Europe incognito as an embassy soldier.

他学会了荷兰语,荷兰语是很复杂的,在1696年,当土耳其战争发生的时候,或者其中一次战争时,他以一名大使馆军人的身份匿名去了西欧

耶鲁公开课 - 欧洲文明课程节选

We slept on the hard ground, ate canned beans from cold metal plates and spent our days in the difficult search for gold.

VOA: special.2009.07.04

or places miles away, maybe in Timbuktu or whatever, who find it difficult to get educational materials from the local university or whatever, can watch certain lectures from Yale on the web.

或者更遥远的国度,像廷巴克图,他们可能在当地大学,不容易得到这样的教育资源,他们就可以到耶鲁网站观看这些视频

耶鲁公开课 - 博弈论课程节选

But it was often difficult. To protect their towns,the settlers often had to employ people who were expert in the use of firearms.

VOA: special.2010.03.10

And one reason Bowman believes this is that we have such a difficult time in understanding other peoples and other cultures is that the very idea of defending one's honor has largely been devalued in the modern west.

鲍曼给出了一个理由,正是因为西方社会中,对维护荣誉的观念早已淡化,才导致他们对其他社会群体,和特定文化的不理解。

耶鲁公开课 - 政治哲学导论课程节选

The other is that some places where the disease occurs the governments are not stable, or there might be civil unrest or civil wars and that makes it very difficult to orchestrate giving vaccines when there's other things happening in the country that are of more immediate concern.

另一个原因是,一些疾病发生地区,当地的政局不那么稳定,或者有动乱和内战,当在一个国家内发生许多,突发应急事件的时候,疫苗的分派发放会变得非常困难

耶鲁公开课 - 生物医学工程探索课程节选