It is simple to be fat but difficult to be strong.
发胖很简单，强壮却很难。
Foil wrapping paper is beautiful but difficult to use.
锡箔包装纸好看却难用。
It's easy to go up to a third scale, but difficult to a seventh.
音阶上升三度容易，上升七度就难了。
Easy for you, but difficult for us.
对你来说容易，对我们来说就难了。
It was Fantine, but difficult to recognize.
她就是芳汀。已经很难认了。
Expressing sympathy is a necessary but difficult skill.
表达同情是十分必要而又有难度的技能。
English is a language easy to learn but difficult to master.
英语是一门容易学但是难精通的语言。
Ryan says: the wink is good in theory but difficult in practice.
瑞安说：眨眼理论上是好的，但在实践中很难。
Starting a new day is always exciting but difficult at the same time.
迎接新的一天既是一件令人兴奋的事，也是一件很难的事。
This is why dentures are comparatively easy to wear, but difficult to use.
这也就是义齿较易戴住，却难于应用的原因。
Item pricing is an important but difficult task in priced bill of quantities.
在工程量清单计价中，清单项目组价是其重点和难点。
This problem is more obvious and thus easier to detect, but difficult to explain.
这个问题更加明显一些并且比较容易检测，但却很难解释。
It is easy to learn something about everything, but difficult to learn everything about anything.
对每一件事知道一些是容易的，对任何一件事详细知道是困难的。
Some puzzles look difficult but are actually quite simple.
有些谜看似很难，但实际上相当容易解开。
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。
That sounds rather simple, but in fact it's very difficult.
那听起来很简单，但实际上非常难。
It was a difficult concept to grasp, but I soon latched on.
那是个难以弄明白的概念，但我很快就理解了。
All teams are beatable, but it's going to be very, very difficult.
所有的团队都能够被打败，但却非常非常的困难。
It is a difficult book to read, but it richly rewards the effort.
这是本难读的书，不过它会丰厚回报为之所付出的努力。
But reading is a difficult habit to form.
但是阅读是一个很难养成的习惯。
I think he's glad to come, but what's difficult is getting the guy to speak before a large crowd.
我想他很乐意来，但困难的是让他在一大群人面前讲话。
The process was extremely difficult and expensive, says Webber, but the technology has moved on.
韦伯说，这个过程极其困难和昂贵，但技术已经进步了。
We thought it was easy, but it turned out that the exam was very difficult.
我们以为这个考试很简单，但其实很难。
It might need sometime to finish the task, but it is not nearly as difficult as you think.
完成这项任务可能需要一些时间。但它绝没有你想象的那么难。
But most find it difficult to agree on what a "general education" should look like.
但是大多数人发现很难就 “通识教育”应该是什么样子达成一致。
But many of us find it difficult to keep the food connection with our busy life.
但是我们很多人发现很难把食物和我们忙碌的生活联系起来。
But the requirements of either of the Acts may be difficult to meet.
但是很难满足任何一个法案所提出的要求。
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