It is a problem difficult to solve.
这是一个难解决的问题。
I meet a problem difficult to solve.
我遇到一个难以解决的问题。
It is a problem difficult to work out.
这是一个难以解决的问题。
It is a problem difficult to work out.
这是一道难以解决的问题。
Completion stealing is a problem difficult to deal with in protocol communication between CPU and PCI bus.
事务窃取一直是困扰CPU与PCI总线实现协议通信的难题。
Incrustation of evaporator liquid room was the general existence and a problem difficult to solve in black liquid evaporation.
造纸黑液治理技术中，蒸发器结垢是黑液蒸发中普遍存在而难以解决的问题之一。
Rapid removing of compressed snow on urban roads has been a problem difficult to solve. There is no efficient and practical machine for it presently.
城市道路压实积雪的快速清除一直是较难解决的问题。目前，仍没有高效实用的除雪机械。
In itself, it's not a difficult problem to solve.
这本身并不是个难解决的问题。
To anticipate every imaginable driving situation is a difficult programming problem.
预测每一种可能的驾驶情况是一个困难的编程问题。
Extracting heat from very hot, dry rocks presents a more difficult problem: the rocks must be fractured to permit the circulation of water, and the water must be provided artificially.
从极热的而干燥的岩石中提取热量，暴露出了一个更加困难的问题：必须击碎岩石以保证水的循环，而水必须是人工提供的。
One problem is I don't have a background in IT and sometimes I get asked difficult technical questions during interviews which I just can't answer.
一个问题是我没有IT背景，有时候在面试中被问到一些技术性的难题，我无法回答。
If more than a few weeks go by, we might have a real problem that would very difficult to fix in time for you to graduate.
如果好几个星期过去了，我们可能会面临一个真正的问题，这个问题我们很难在你毕业的时候解决。
These methods may be useful for a while, but it is difficult to solve this problem completely.
这些方法可能暂时有用，但要完全解决这个问题是很困难的。
How to improve the quality of products was a difficult problem to him.
如何提高产品质量对他来说可是个难题。
He worked out such a difficult math problem.
他解出了一道如此难的数学题。
She is working at a difficult problem in mathematics.
她在做一道数学难题。
But the problem is a difficult one to solve.
但这是一个难以解决的问题。
If a problem can be solved by money, it is not really a difficult problem.
如果一个问题可以用金钱得到解决，那么它就不真是一个困难的问题。
Building parsers by hand can be quicker and easier for smaller languages, but it tends to become a difficult problem as the language gets larger.
对于较小型的语言，手工构建解析器可能更快速、更容易，但是当语言变得更庞大时，这就成了一个困难的问题。
If a problem can be solved by money alone, it is not really a difficult problem.
如果仅仅用金钱就可解决一个问题，那么这不是一个真正困难的问题。
A difficult problem could be good for a designer, but a fickle client or unreliable materials would not be.
一个困难的问题对一个设计者来说是好的，但是一个多变的客户和不可靠的材料不是。
Here's how to view this as an antipattern: I've started with a difficult problem.
下面是在反模式中考虑这个问题的方式：我从一个很难的问题开始。
You may turn to food for comfort - consciously or unconsciously - when you're facing a difficult problem, stress or just looking to keep yourself occupied.
当你面对困难的问题、压力或者只是让自己忙着，你可能会自觉地或不自觉地借助于食物寻求慰藉。
Maybe it’s a realization about how to approach a particularly difficult project or problem that you’re facing.
可能这是一个解决一个你面对的相当困难的项目或问题的方式。
This controversy is for good reason: Namespaces solve a difficult problem and are one of many approaches to solving this problem, each of which has its pros and cons.
争议的理由很充分：名称空间解决了一种困难问题，但只是解决这种问题的方法之一，每种方法各有长短。
Maybe it's a realization about how to approach a particularly difficult project or problem that you're facing.
可能这是一个解决一个你面对的相当困难的项目或问题的方式。
A much more difficult problem for the retailer is to assure that replenishments for the back room are delivered in time.
但是，零售商还有一个更难解决的问题：如何确保补充的产品及时交付到仓库？
Fortunately, it's not a difficult problem (see Listing 6) to fix.
所幸的是，这个问题不难解决(见清单6)。
Even though these economies are only just starting to feel the upturn, policymakers now face a difficult problem: how to sustain a robust recovery without blowing up bubbles.
尽管这些经济体的经济刚开始好转，但政策制定者现在面临难题：在避免经济泡沫的情况下如何保持经济的强劲反弹。
Even though these economies are only just starting to feel the upturn, policymakers now face a difficult problem: how to sustain a robust recovery without blowing up bubbles.
尽管这些经济体的经济刚开始好转，但政策制定者现在面临难题：在避免经济泡沫的情况下如何保持经济的强劲反弹。
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