To water the trees was a difficult task for one man.
给这些树浇水对一个人来说是一项艰巨的任务。
In a study, researchers gave three groups of six-year-old children a difficult task to complete on a computer.
在一项研究中，研究人员给三组六岁的儿童安排了一项困难的任务，让他们在电脑上完成。
Testing Wicket web pages and components is not a difficult task.
测试Wicket的Web页面和组件并非难事。
The variety of information sources makes compiling statistics a difficult task.
各种各样的信息来源造成统计工作上的困难。
Here are some of the concepts that I use to overcome my dread of a difficult task.
我常用以下的方法来克服对艰巨任务的恐惧。
Developing Web applications is sometimes a difficult task when starting from scratch.
从头开始开发Web应用程序有时比较困难。
Yet it was a difficult task, and Thompson never quite achieved the results he hoped for.
但这种分析绝非易事，汤姆逊也远未达到他希望完成的结果。
When I am faced with a difficult task, I think encouraging thoughts that help me to do my best.
当我面对一个困难的任务时，我会想到鼓励性的想法，它能帮助我做到最好。
Indexing large amounts of unstructured data is a difficult task regardless of the technologies involved.
不管使用什么技术，索引大量非结构化数据是一件很艰难的任务。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，试图再现远古情景的史学家，总面临着艰难的任务。
If your child did complete a difficult task, reward him with a Sunday trip or a ball game with Dad.
如果你的孩子完成了一项艰巨的任务，作为奖励可以带他星期天去旅行或和爸爸进行一场球赛。
Learning English may seem like a difficult task, but with a little dedication, you'll gain big rewards!
学习英语看起来象是个艰巨的任务，但是只要付出一点，你就会得到相当大的收获！
Keeping an operation running smoothly is a difficult task, and can absorb all of a new manager's time and energy.
保持业务顺利进行是项艰巨的任务，可能会耗费一位新任经理的全部时间和精力。
It is a difficult task to start this article by defining "service" because of the variety of definitions it elicits.
由于存在多种不同的定义，通过定义“服务”来开始本文的讨论比较困难。
And if you're facing a difficult task, try breaking it into small steps or stages so that it's easier to tackle.
如果你面对一项艰难的任务，试着把它分解成几个小步骤或阶段，这样完成它就比较容易。
But it is proving to be a difficult task for civil protection officials and fire-fighting teams dispatched to the area.
但是，对于派遣到当地的民防官员和消防人员来说，这是一件十分艰难的任务。
Separating doting parents from their freshman sons and daughters has proved to be a difficult task and a worldwide story.
高校新生入学，护犊心切的家长对儿女难以割舍，这一点不分国界。 日前，美国也掀起了一场"家长团"送子上大学的风潮。
One of the hardest things a dad has to do is watch his young son or daughter take on a difficult task and fail at it.
为人父，最难的事情之一就是看着自己的子女迎难而上，失败而终。
This is a common theme throughout many of our work days. We keep avoiding a difficult task because we are afraid to face it.
这是贯穿在我们工作中的共同点：我们一直回避困难的任务，因为我们害怕面对它。
Arousing, organizing and educating the masses is a difficult task and takes time, not to be accomplished in a short period.
发动群众、组织群众、教育群众的工作是困难的，是需要时间的，不能要求过急。
As the number of services grows, tracking all these dependencies and evaluating the impacts of changes becomes a difficult task.
随着服务的数量增加，跟踪所有这些依赖关系并评估变更影响会变得越来越困难。
Washington now faces a difficult task in convincing contacts around the world that any future conversations will remain confidential.
华盛顿面临着一个艰巨任务，如何让世界范围内的联系人相信他们与华盛顿之间未来的往来内容能不被人知。
Increasing the maximum upload file size is not a difficult task but developers need to know the best approach to overriding the default.
想增加这个尺寸的上限并没有什么难度，不过开发者需要知道怎样做才是最好的方法。
He said: "The feeling of having conquered something on my own is a major part of what drives me each day when I'm tackling a difficult task."
他说：“独自攻克难关所带来的那种感觉是我每天应对困难时主要的动力来源。”
The peculiar nature of the material employed to exemplify the interpretation of dreams has made the writing even of this treatise a difficult task.
由于我释梦时所引用材料的特殊性，使得本书的创作更加困难。
The peculiar nature of the material employed to exemplify the interpretation of dreams has made the writing even of this treatise a difficult task.
由于我释梦时所引用材料的特殊性，使得本书的创作更加困难。
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