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

VOA: special.2010.01.12

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

The reason that's going to be the strategy is that voting's not going to be difficult.

策略是这个的原因是,投票并不难

耶鲁公开课 - 博弈论课程节选

Early identification of the disease may be difficult because many infected people do not show any immediate symptoms.

VOA: special.2010.01.04

And if they're a premade salad then it would be even more difficult because you're not constructing it yourself, so it's hard to uses based on these sort of things.

如果那是预制色拉,就更麻烦了,因为那不是你做的,就很难进行统计

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 story of the cowboy and his difficult life would not be forgotten.

VOA: special.2010.03.18

If it were all the things that it's not, or if it were identical to all the things that somehow or another it's not, then I would be in a very difficult situation because I wouldn't have any means of knowing it in particular.

如果一件事就是它自身的反面，或者和其他的事物没有区分之处,那么我们，就很难认识它,因为我们没有办法认识它。

耶鲁公开课 - 文学理论导论课程节选

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

VOA: standard.2010.03.21

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

"If the current posture of the Israeli government on Gaza continues it would not be difficult to predict that Turkish and Israeli relations will continue to be difficult and fragile,"

VOA: standard.2009.10.27

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

Dr.Lepora says she will probably return to MSF, because she says once she learned how to be effective in a crisis situation, she finds it very difficult not to act when another crisis comes up.

VOA: standard.2010.06.29