It was a difficult task but we brought it off.
那是一项艰难的工作，但我们还是完成了。
She's set herself a difficult task.
她给自己安排了一项艰巨任务。
She's set a difficult task for herself.
她给自己安排了一项艰巨任务。
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。
It will prove a difficult task.
这将是一项艰难的任务。
That will be a difficult task.
这将是一项艰巨的任务。
This is really a difficult task.
这真的很难。
这是一项艰巨的任务。
You have attempted a difficult task.
你试图做一项艰难的工作。
But it's a difficult task. It's not easy.
但这是一项艰巨的任务，并不容易。
It was a difficult task, but we accomplished it.
虽然任务艰巨，可是我们完成了。
Pat on the back after completing a difficult task.
完成艰难的任务后受到表扬。
This is quite a difficult task to perform efficiently.
这是一个很难有效完成的任务。
I always ask for help when facing a difficult task.
我总是在遇到难事时寻求帮助。
The answer is definitely "yes", although it is a difficult task.
回答当然是肯定的，尽管它是一项困难的工作。
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。
Converting data from one format to another has always been a difficult task.
将数据从一种格式转换成另一种格式总是一个很困难的任务。
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。
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。
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。
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。
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。
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