Is good at studying diligently the hard problem;
善于钻研疑难问题；
You are too clever not to solve the hard problem.
你很聪明能够解决难题。
He is clever enough to work out the hard problem.
他很聪明，能自己解出这道难题。
But I want to end by mentioning the hard problem as it is known now.
最后，我想再讲一个众所周知的难题。
It's not hard to get him talking—the problem is stopping him!
让他谈话并不难—难的是让他住口！
The problem is that such an impulse is hard to sustain.
问题是，这种冲动很难保持。
Because of the hard life, she got a stomach problem.
由于生活艰苦，她得了胃病。
The real hard part, of course, is solving an open problem.
当然，真正困难的部分还是是解决热点问题。
If the problem still occurs, your hard drive may be broken.
如果问题仍然出现，你的硬盘驱动器可能是坏了。
If finding a problem is hard, you're in the wrong field.
如果你很难找到一个问题，那么你肯定是找错了方向。
Trying too hard was precisely my problem. It was the mind over matter issue again.
勉为其难正是我的问题所在，这还是我“人定胜天”的思想在作怪。
The problem is that it is hard to see such politicians shutting up.
问题是，这些政客们并不收敛。
MAYBE the problem is that it is hard to understand what your body is saying.
也许之所以会这样问题是在于你很难理解自己的身体在说些什么。
We have solved the problem after many years' hard work.
经过多年的努力，我们终于解决了这个难题。
The problem is particularly hard to crack because the villains are often in faraway countries.
由于职业罪犯经常在遥远的国家因此这个问题变得非常难以解决。
The problem is you have a hard time choosing among your many suitors.
问题是在众多的侯选者当中，你很难作出选择。
And that can make it hard to see all that is being done to solve the problem.
那样就很难看到现在为解决问题所采取的各种措施。
It's hard to imagine that a failure to persuade is the problem.
很难想像问题的症结在于未能完全有效的进行劝说。
We apologize for this service interruption and are working hard to resolve the problem.
我们因这项服务出现的错误向各位致歉，并尽全力解决服务中断问题。
The problem was so hard that nobody could work it out.
这问题是如此的难以至于没有人能回答出来。
No problem is too hard for the conqueror.
征服者没有难题。
Thanks to their hard work, they finally solve the problem.
由于他们的努力工作，他们终于解决了问题。
No matter how hard I tried, I couldn't solve the problem.
无论我怎么努力，我都不能解决这个问题。
The Problem: Extending the Browser is Too hard.
问题：扩展浏览器太难了。
The problem is who is really fit for the hard job.
问题是谁才真正适合做这份艰苦的工作。
The telecom engineer is working hard to solve a problem at our local telephone exchange.
电信工程师正在努力解决我们当地电话交换中心的一个问题。
I thought long and hard about the problem.
关于那个问题我费力地想了很长时间。
Nobody could solve the staggering problem no matter how hard they tried.
不管如何努力，谁也无法解决这个棘手的问题。
Nobody could solve the staggering problem no matter how hard they tried.
不管如何努力，谁也无法解决这个棘手的问题。
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