"Difficult" patients have the temerity to challenge their doctors' decisions.
“难缠”的病号会冒然挑战他们的医生的决定。
Like most students, when studying at middle school, I found math interesting but difficult, which was a challenge for me.
像大多数学生一样，读中学时，我觉得数学虽有趣但很难，这对我来说是一个挑战。
I think that it's true that the economy is difficult and there is a big challenge in front of us.
我认为经济形势确实很困难，我们面临着巨大的挑战。
When new or difficult material is presented, almost all listeners are faced with a challenge, because human's speech lacks the stability and permanence of the printed word.
当出现新的或困难的材料时，几乎所有的听众都面临着一个挑战，因为人类的语言缺乏印刷文字的稳定性和持久性。
"The challenge is if certain types of people are doing something, it's difficult for other people to break into it," said Po-Shen Loh, the head coach of last year's winning U.S. Math Olympiad team.
去年获胜的美国数学奥林匹克代表队的总教练罗博深说：“挑战在于，如果某些类型的人正在做某事，其他人就很难成功打入其中。”
She began to tell us how her class was going to be difficult and that if we weren't up to the challenge, she would gladly let us leave.
她开始告诉我们，她的课将会变得多么困难，如果我们不能接受挑战，她会很高兴地让我们离开。
I believe there is no challenge so great or so difficult that it cannot be overcome by America, Britain and the world working together.
我坚信，在英美及世界其他国家的强强联手下，没有什么困难与挑战是克服不了的。
In theory, the experience curve should make it difficult for new entrants to challenge firms with a substantial market share.
理论上讲，经验曲线意味着新公司很难挑战拥有广大市场份额的公司。
It's becoming increasingly difficult to challenge most companies on their promises, not due to a devaluing of opinions but because of the huge increase in company blogs over the last few years.
挑战大多数公司的诺言变得越来越困难，不是因为意见的贬值，而是因为在过去几年里公司博客的大幅增加。
Developing this technology was difficult, but not as big a challenge as getting permission to use it.
技术开发是困难的，但是获许使用，则面临更大的挑战。
Instead, we are confronted with the challenge of conquering the difficult graduate courses. We still have to strive for success in our future academic study, employment and career.
相反，我们面临着征服艰巨的研究生课程的挑战，并且还要在未来的学术研究、就业和职业生涯中努力争取成功。
One of his main messages is that overeating is not due to an absence of willpower, but a biological challenge made more difficult by the overstimulating food environment that surrounds us.
他的主要观点之一：过量饮食并不是由于缺乏自控，而是生理本能，并且这种生理挑战经由我们周围的食物环境而被强化了。
You can use a difficult challenge to become more patient, more relaxed, or just quicker to release frustration when you engage your emotional development at work.
你可以利用艰巨的挑战使自己变得更有耐心，更放松，或者是更快地发泄控制工作情绪时产生的挫折感。
A difficult challenge in the area of highly-parallel batch processing is operational control and managing the many jobs that are executing concurrently.
在高并行批处理领域中，比较困难的问题是操作控制，以及管理许多并发执行的作业。
A diagnosis before birth can pose a difficult challenge for couples as they decide whether to continue the pregnancy.
孩子出生前诊断是否患有唐氏综合症对于夫妇决定是否继续妊娠是一个非常困难的选择。
When facing a difficult challenge it's easy to quit. Don't quit until you achieve your goal.
当面对艰难挑战时很容易退却。不达到目标不要退却。
Achieving effective collaboration within a project team can be a difficult challenge for a co-located team, let alone a geographically distributed one.
在一个项目团队内部完成有效的协作对于一个共处一地的团队是一项很艰巨的挑战，所以就更不用对于一个地理上分布的团队了。
Now you have every opportunity to mould a team to your liking. What is the most difficult challenge?
你已经在F1混这么多年了，现在终于有机会在一个车队里作威作福，你觉得最困难的挑战对于你来说是啥？
Since not all the content in WSDL is meaningful, adding semantics into WSDL is an obvious challenge as it is difficult to describe the intermediate objects used in OOP.
由于并非WSDL中的所有内容都有意义，因此将语义添加到WSDL无疑是一大挑战，其原因在于很难描述OOP中所使用的中间对象。
There are more than 30 students here, ready to take on a difficult challenge for kids of their age.
这里有30多名学生，他们准备好接受一项对他们这个年龄的孩子来说很困难的挑战。
Probably the most difficult challenge is a distributed system must be able to continue operating correctly even when components fail.
其中最困难的可能是分布式系统必须在一些组件出现故障的情况下继续正常运行。
Handling difficult employees can be a real challenge for any manager, regardless of how experienced he or she is.
对任何管理者而言，不管他经验多么丰富，应对不易相处的员工绝对是个挑战。
Perhaps the most difficult challenge is collecting the related code from multiple source files; development tools can greatly expedite this task.
或许最困难的挑战在于从多个源文件收集相关代码；开发工具可以极大地加快这个任务的进行。
For luxury fashion brands that pride themselves on elitism and inaccessibility, this may be the most difficult challenge in developing a social media strategy.
对于那些对自身的精英主义和高高在上引以为傲的时尚奢侈品牌来说，这可能是它们开展大众媒体策略的最大挑战。
HMIC names seven police forces that it says have the most difficult challenge in protecting the frontline.
HMIC指出七个面临保护前线最艰巨任务的警队。
The last few decades have seen a body of researchers attempt to rise to the difficult challenge of how to study 'happiness' in a systematic, empirical way.
近几十年中所看到的一个研究机构用一个系统的、实证的方式研究“幸福”，以试图提升对困难的挑战。
The last few decades have seen a body of researchers attempt to rise to the difficult challenge of how to study 'happiness' in a systematic, empirical way.
近几十年中所看到的一个研究机构用一个系统的、实证的方式研究“幸福”，以试图提升对困难的挑战。
应用推荐