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。
This is really a difficult task.
这真的很难。
That will be a difficult task.
这将是一项艰巨的任务。
这是一项艰巨的任务。
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。
This is quite a difficult task to perform efficiently.
这是一个很难有效完成的任务。
Pat on the back after completing a difficult task.
完成艰难的任务后受到表扬。
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。
A difficult task is dreaded because of all the work that lies before you.
棘手的任务可怕是因为你要面对所有的工作。
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。
The bonus to working on a difficult task is the knowledge that you will gain.
你将获得奖励是从棘手问题中学到的知识。
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。
Finding two prime factors of a very large number is a difficult task for most computers.
对于大多数计算机来说找到一个非常大的数字的两个素因子是一件是难的事。
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。
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。
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。
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