It's difficult to give someone the job of a film star or a model.
很难把电影明星或模特这种工作交给某人。
When asked which activity would be the most difficult to give up for a week, 48% said listening to music.
当被问及要放弃什么活动一周时间最难，48%的人说是听音乐。
I do to the baby is weaned, and is also not difficult to give it a try.
我就是这样给孩子断奶的，一点也不难，试试吧。
No two relationships are the same, so it's difficult to give advice in this situation.
没有两个人之间的感情是一样的，所以在这方面很难提出一些通用的建议。
Public interest is a legal concept of uncertainty is difficult to give a clear legal definition.
公共利益是个不确定法律概念，很难在法律上给出一个明确的界定。
When we are asked, what is Rotary? it can sometimes be difficult to give a quick and easy answer.
当有人问我们「扶轮是什么？」 时，有时候很难很快地给他们一个简单的答案。
It would be difficult to give a precise timeline of how long it would take to contain the reactors.
控制一个核反应堆要多长时间，这很难给出一个确切的时间表。
Your mother tells me that you started smoking some time ago and now you are finding it difficult to give up.
你妈妈告诉我，你不久前开始吸烟了，而且现在很难把它戒掉。
Paraffin has high stability, low reactivity, and it is difficult to give functional group to paraffin directly.
烷烃稳定性高，反应活性低，直接官能团化困难。
It is difficult to give definite rules for tipping, because it depends upon where you go and the service that is given you.
由于要支付小费的多少会因你所去的地方和你所接受服务的不同而不同，所以对其下定义是个比较困难的事情。
However, these kinds of problems are NP-Complete, and it is difficult to give optimal solution within a reasonable time limit.
然而，裁剪与装填问题是NP-完全问题，很难在有限的合理时间内取得最优解。
Assessment of image quality is an important problem in image processing, but it is very difficult to give an objective evaluation.
图像的品质评定是图像处理领域的一项重要课题，难以对其给出客观的评价。
Sport has been a well-known term and one most in use now, but it is very difficult to give it a definition universally received by all.
“体育”已经是十分熟悉和经常使用的术语，难以给出一个普遍接受的定义；
As we start smoking, it's so difficult to give up, because the tobacco contains a drug called nicotine, which can get us into the habit of smoking.
我们一开始吸烟，就很难戒掉，因为烟草含有一种叫尼古丁的药物，它能让我们养成吸烟的习惯。
As we start smoking, it's so difficult to give up, because the tobacco contains a drug called nicotine, which can get us into the habit of smoking.
一开始吸烟，就很难戒掉，烟草含有叫尼古丁的药物，它能让养成吸烟的习惯。
Because doctors aren't entirely sure what causes the increase in heart attacks, it's difficult to give concrete advice to patients. But they do make these Suggestions.
由于医生也不确定究竟是什么增加心脏病突发率，所以也就很难确切地给病人建议。不过他们也给出以下忠告？
This may at first sound like a native and simple question, yet to this extremely familiar, everyday phenomenon, it is difficult to give a satisfactory definition.
乍一听起来，这似乎是个简单的、再天真不过的问题，但是对于这个极其熟悉、司空见惯的现象，人们却很难给出一个令人满意的定义。
Generally, the traditional performance evaluation of GPU USES the qualitative approach, it is difficult to give a precise evaluation result under guaranteeing efficiency.
传统的GPU性能评估一般都采用定性评估方法，难以在保证效率的情况下给出一个准确的评估结果。
Unfortunately, the understanding of economists on the causes and nature of systematic risk is not uniform. It is difficult to give a very clear definition for systematic risk.
遗憾的是，经济学家对系统性风险的原因和本质的认识并不统一，很难为系统性风险下一个十分清晰的定义。
It is difficult to give a clear idea of all the vague and mysterious happenings of that period, but this much is certain, that my exchange of garlands[2] with Poetic Fancy was already duly celebrated.
若是要给予那个神秘而快乐的时期一个确定的轮廓是困难的，但是有一点是确定的，就是我与诗歌爱好的婚约仪式已早已适时地被颂扬。
Genetic disorders of the suspect will have some impact, but it does not mean that the will be genetic, because each person's situation is different, it is difficult to give you a specific figure.
遗传对疑病症会有一定的影响，但是并不表明着会遗传，由于每个人的情况都是不同的，很难给您一个具体的数字。
Attaching radio devices to it is difficult, and visual sightings are too unreliable to give real insight into its behavior.
给它安装无线电设备是很困难的，而且仅凭肉眼观测也太不可靠，无法对它的行为进行确切的观察。
"A lot of people find it very difficult indeed to give up smoking."—"Oh yes. I used to smoke three packs a day."
“许多人发现戒烟确实很难。”— “噢，是的。我过去1天抽3包。”
The teachers in the program described how they found it difficult to put aside the immediate demands of others in order to give themselves the time they needed to develop their reflective skills.
参加这个项目的老师们描述了他们是如何发现自己很难把他人的即时需求放在一边，以便有足够的时间来增强自己的反思技能。
The problems are difficult to solve. Please give me some advice.
这些问题很难解决。请给我一些建议。
This is so difficult that I want to give up.
这太难了，我想放弃。
Although it was difficult to mix the two skills together and it was much easier to get hurt, Yang Liu didn't give up.
虽然这两种技能很难结合在一起，也很容易受伤，但杨柳没有放弃。
To give a definition of a word is more difficult than to give an illustration of its use.
给一个词下定义要比举例说明它的用法困难得多。
Children living in fragile countries are vulnerable and difficult to reach, but it's important that we give them special attention.
脆弱国家的儿童处于弱势地位，很难受益，但重要的是我们要给予其特别关注。
Children living in fragile countries are vulnerable and difficult to reach, but it's important that we give them special attention.
脆弱国家的儿童处于弱势地位，很难受益，但重要的是我们要给予其特别关注。
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