I know that my own it is difficult to do, so I rarely promise.

我知道我自己很难做到，所以我很少承诺。

Actually, it is difficult to do. Proper manners should be adopted.

其实这点是很不容易做到，主要是要讲究方式，大多数的时候我会采取一种委婉的语气，建议他“这样是不是会更好”，这样让他有一个从考虑到最后接纳的过程。

Needless to say it is difficult to do work when you are hungry.

不用说，空着肚子劳动是很难的。

Without knowing the customer's business drivers, it is difficult to do it.

不知道客户的业务驱动力，就很难做到这一点。

Past experience indicates that it is difficult to do well in this course if you do not attend class on a regular basis.

如果你不持续的上课，过去经验指出你很难把这堂课学好。

Boosting exports is a tried and true way of escaping recession. Unfortunately, it is difficult to do when the entire world is Mired in a simultaneous slump.

促进出口是一条屡试不爽的避免衰退的途径。不幸的是，当整个世界陷于同时下滑的泥潭时，这条路却并不好走。

Owing to the root-knot nematode is so small, can not be cultured, has a long generation, it is difficult to do research in vitro in interaction with the host.

由于根结线虫体积小，不能人工培养，世代长等难于进行体外与宿主的相互作用方面的研究，进展一直很缓慢。

Results It is difficult to do quarantine and inspection to every baggage, so the missing rate of inspection is very high, the effective apparatus is necessary and important.

结果针对新形势下旅客携带物检疫查验查获困难、漏检率高的现状，口岸旅检工作者需通过加强宣传、提高硬件设备配置等措施。

The successful information communication in the articles can raise the readers 'reading interests, but it is difficult to do this for the scientific and technological articles.

文章中成功的信息传达会激起读者的阅读兴趣，但是对于科技文章来说却难以达到这一点。

Everything else that we accomplished stems from achieving that partnership, because if you don't have a customer who perceives you as valuable, then it is difficult to do the things you want to do.

所有其它我们获得的成功都来自于那种伙伴关系的实现，因为如果一旦你没有认为你很有价值的客户，那么你就很难做到你想做的事情。

I want you guys to think about why it was difficult to do it another way, which is more pedestrian.

我希望你们能思考一下为什么用另一种更普遍的方法来做比较困难。

It is notoriously difficult to teach adults skills that do not have an immediate impact on their everyday lives, and many literacy campaigns in other countries have been much less successful.

众所周知，教成年人一些对他们日常生活没有直接影响的技能是非常困难的，而其他国家的许多扫盲运动都远远没有我们这么成功。

In fact, it is difficult to see how journalists who do not have a clear grasp of the basic features of the Canadian Constitution can do a competent job on political stories.

事实上，如果记者对加拿大宪法的基本特征没有清晰的把握，他们很难胜任报道政治事件的工作。

I know how difficult it is to follow this grand law of love, but are not all great and good things difficult to do?

我明白要遵循这一伟大的爱之法则有多困难，但所有伟大和美好的事情不是都很难去做到吗？

If you ever had cats as pets, you know it is difficult to train them or to get them to do something.

如果你曾经养猫作为宠物，你知道要训练它们或者让它们做某件事非常困难。

While this is possible to do well, it is very difficult, and most teams do not succeed.

虽然也有可能做好，但是非常困难，而且大部分团队都不能成功。

The key is to forgive those who have hurt and sinned against us, even if it is very difficult to do.

问题的关键是要宽容那些曾经伤害过和反对过我们的人，即使是很难做到。

Difficult, indeed, is it for us to maintain the strength of will to do.

的确有过的艰难，是为了保持我们坚定意志而来的。

This is the special property of interactive programming that makes it difficult to do the right thing.

这是交互编程特定的属性，使得我们很难做正确的事情。

But it is difficult for a Nigerian firm to do business in China.

而对于一家尼日利亚的公司来说在中国做生意真的很困难。

It is very difficult to force somebody to do things your way.

强迫别人用您的方式做事情是很困难的。

It is sometimes difficult to determine the right thing to do, but many firms are trying.

有时很难决定怎样做才对，但是许多公司在努力做好。

Is it difficult to cook, shop, do yardwork, climb stairs or take medications?

烧菜，购物，打理花园，爬楼梯或吃药等日常活动让您觉得困难吗？