In itself, it's not a difficult problem to solve.

这本身并不是个难解决的问题。

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。

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。

She is working at a difficult problem in mathematics.

她在做一道数学难题。

It's really a difficult problem.

这真是个难题。

At first there was a seemingly difficult problem.

在开始的时候存在一个难题。

Never have I come across such a difficult problem.

我还从没有遇到过这样困难的问题。

He soon turned his attention to the difficult problem.

他很快把注意力转到这个难题上。

The greatest scholar cannot solve this difficult problem.

再伟大的学者也没有办法解答这个难题吧。

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)。

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。

The most difficult problem faced by the Google Books team is garbage data.

Google图书面临的最困难的问题是垃圾数据。

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。

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。

The most difficult problem for the overseas students to overcome might be loneliness.

对留学海外的学子来说最困难的问题可能是怎样克服寂寞和孤独。

Providing dynamic internationalization of information for display is a difficult problem.

为显示提供信息的动态国际化是一个难题。

SAN DIEGO — One way to get noticed as a scientist is to tackle a really difficult problem.

美国圣地亚哥（SAN DIEGO）——作为科学家使自己被别人所知的一个方法就是去解决一个真正困难的问题。

Companies will have no choice but to face the difficult problem of managing older workers.

公司除了正视管理老年劳力的困难问题外将别无选择。如何鼓励高龄员工去适应新做法，新技术？

Missing or inconsistent package information is probably the most difficult problem to solve.

丢失或者不稳定的包信息可能是最难解决的问题。

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。

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？

The other, “the most important and difficult problem of academia in Italy”, was its “non-transparent recruitment system”.

而另外一个“意大利学术界最主要也最难的问题”是它的“不透明的招聘体系”。

Together, the changes are solving what once seemed the most difficult problem facing the future of humanity: growing population.

这种改变也解决了之前看起来相当严重的人类难题：不断膨胀的人口。

When small fish face an extremely difficult problem-an attack, say, from several predators at once-they deal with it by forming a school.

当小鱼面临极其困难的问题时，比如说，突然遭到几个捕食者的袭击，他们会立刻形成鱼群。

Obviously this is a difficult problem, but the incentive to solve it is very big. The main approaches fall into the following categories.

显然，这是一个很困难的问题，但是解决它的激励也很大。

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。

In other words, if you spend energy trying to resist a fragrant chocolate chip cookie, you'll have less energy left over to solve a difficult problem.

也就是说，如果你花费精力去抵制一块巧克力饼干的诱惑，那么解决难题的精力就会减少。

When confronted by a difficult problem you can solve it more easily by reducing it to the question "how would adventure star Indiana Jones handle this?"

碰到难题时，把它简化成这样一个问题——“惊险片明星印第安那·琼斯会怎样处理？” --你就能比较容易地解决它了。