A circus moved from town to town, putting on shows with trained animals, acrobats doing difficult tricks, and funny, colorful clowns.

VOA: special.2009.01.11

the work doesn't seem to be that much more difficult from what's at other universities.

功课也没有比别的大学难很多。

对于赞助入学的看法 - SpeakingMax英语口语达人

This is very difficult because there are no high ladders and pressures from day-to-day work you get very much in the way of learning.

这很困难,因为学习不能一步登天,而巨大的工作压力,还存在于学习的每一天。

麻省理工公开课 - 媒体、教育、市场课程节选

But the professor says it is difficult to find enough feathers from a single dinosaur to recreate all its colors.

VOA: special.2010.03.16

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

Jane Ziegelman says from the nineteenth century on, immigrants would take difficult jobs that non-immigrants would not do.

VOA: special.2010.08.25

I cannot even make it look hard because I have memorized this problem from childhood, so there is no way I can make this look difficult.

我不会让这些问题变得看起来复杂,因为这些问题我童年时就熟记于心,我无法让它变得复杂

耶鲁公开课 - 基础物理课程节选

She says the original books written during the Depression served as an escape from difficult economic times.

VOA: special.2009.08.24

But then also a little bit about your history, where you come from, some of your experiences which have helped you or informed your opinions on this very difficult issue that the entire world really is spending a lot of time trying to work on.

然后再谈谈你们各自的经历，你们从何而来，谈一些你们自己的经历,一些帮助过你们，或形成了你们,就这个复杂问题的观点,这个全世界都在投入大量时间试图解决的问题。

普林斯顿公开课 - 人性课程节选

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

They moved Eagle forward, away from a very rocky area that might have caused a difficult landing.

VOA: special.2009.07.15

And I do that very precisely because it'll teach you a little bit about how easy or difficult it is to do it and what kind of information you retrieve from a dietary assessment.

我这样要求是因为,这能教给你,做评估的难易程度,以及你们能从饮食评估中得到何种信息

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 the work is hard. And getting all the oil from the seeds can be difficult.

VOA: special.2009.09.29

You put a child on one side of the mountains and you ask him to draw it, and a four- or five-year-old can do it easily, but then you ask him to draw it as it would appear from the other side and children find this extraordinarily difficult.

你让孩子在模型的一边,要求他把自己看到的三山模型画出来,四五岁的儿童便能够轻易做到,但是,如果你要求儿童画出,从模型另一边看过去的样子,儿童就会觉得非常困难

耶鲁公开课 - 心理学导论课程节选

That requirement could make it difficult for several states to receive money from the fund.

VOA: special.2009.07.30

Okay, right, so if you're actually making food and you're creating some of a recipe then it's very difficult to know exactly the portions that go in when you eat the final food product that comes from it, so that's right. How many of you--go ahead.

对的,所以如果你自己做饭,你会有自己的一套食谱,你很难了解最后的成品中,原成分的精确含量了,所以就是那样,有多少人,你说

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Sod can grow at times and in places where growing grass from seed is difficult.

VOA: special.2009.07.07

They had made a difficult climb from the southeast, through recently opened Nepalese territory.

VOA: special.2010.06.30

Already, he was moving forward from victory to the difficult times ahead.

VOA: special.2009.12.31

She said the United States is moving from mostly the direct exercise of power to what she called "a more sophisticated and difficult mix of indirect power and influence."

VOA: special.2010.05.29

But getting silk from a spider might seem more difficult.

VOA: special.2009.10.30

Try to keep away from difficult situations.

VOA: special.2010.08.29

Many police officers worry the law would make it more difficult for them to get information from crime victims.

VOA: standard.2010.05.08

Some women find it difficult or embarrassing to request a prescription from their doctors or to get the medication in time.

VOA: standard.2010.03.22

"It is very difficult to really pin down and there have been these sorts of accusations from the Revolutionary Guards in the past."

VOA: standard.2009.10.18

But road travel from the sites remains difficult. The general says there are more than 1,400 flights on a waiting list to land in Port-au-Prince.

VOA: standard.2010.01.21

"We have not shied away from raising the difficult problems that exist and stand in the way of the people of Africa realizing their potential.

VOA: standard.2009.08.16

Reid told reporters he had been making overtures to Specter to join the Democratic Party for some time, even before the senator from Pennsylvania faced a difficult reelection contest.

VOA: standard.2009.04.28

But the High Commissioner for Refugees says the capital is far from safe and the lack of basic services and shelter is making life difficult for many returning families.

VOA: standard.2009.04.17