Why is difficult to define, or rather discover and achieve happiness?
为何很难定义、发现和获得幸福？
According to the passage, why is it difficult for foreigners to learn Chinese?
根据文章，为什么外国人学习汉语很难？
Why is the obesity problem in Britain so difficult to solve?
为什么英国的肥胖问题如此难以解决？
The English language is made up of the grammar and vocabulary which people from many different countries brought to Britain and that is why English has so many difficult rules that confuse people.
来自不同国家的人们把词汇和语法带入英国，形成了英语，这就是为什么英语有那么多让人困惑的规则的原因。
Why would anyone make their work more difficult than it already is?
工作已经很难了，为什么有人会让自己的工作比现在更困难呢？
I want you guys to think about why it was difficult to do it another way, which is more pedestrian.
我希望你们能思考一下为什么用另一种更普遍的方法来做比较困难。
But if improving their hunting luck was the chief motivation for the paintings, it is difficult to explain why only a few show signs of having been speared.
但是，如果增强他们的狩猎运气是这些画的主要动机，那么就很难解释为什么只有少量画作有被长矛刺过的迹象。
Why is it so difficult to take that first step?
为什么迈出第一步如此困难？
Why is modeling for execution so difficult?
为什么为执行而建模是如此困难？
But working out how to do that is difficult, which is why deforestation got left out of Kyoto.
但是，如何处理这件事是非常困难的，这就是为什么砍伐树木没有进入《京都议定书》。
So again I ask myself, why is it so difficult to install one of these seats?
所以我再一次问自己，为什么安装一个座椅如此困难？
That's why marketing is so difficult to learn.
这就是为什么学习行销这么难。
Thus, we conclude that understanding why people lie psychology, is very difficult.
由此，我们得出结论，从心理学上理解人们为什么撒谎是非常困难的。
This is why the ‘is’ seems so difficult.
这就是为什么我们容易编造自己却又似乎是那么难。
Why is it difficult for a self-teaching language learner to keep his zeal through to the end?
外语自学者为何往往难以把学习“冲劲”保持到底？
Subsequent chapters explain why so many individuals find it so difficult to forgive, and why holding onto grievances is really a decision to suffer.
随后的一张解释了为什么有很多个体发现要你宽恕一个人真的很难，为什么会有没办法原谅他人的理由，为什么抱怨回事痛苦的来源。
Why is this such a difficult concept?
这个概念难在哪里？
Such life stories help explain why reconciliation is difficult.
这样的人生故事正好解释了要想达成和解很困难的原因。
Why is it so difficult to fall asleep when you are overtired?
为何你劳累过度却又如此难以入睡？
It is not difficult to understand why the White House has chosen this tack.
不难理解白宫为什么这么做。
But why, for so many of us, is change so difficult to deal with?
但为什么对我们许多人来说，变化却是如此难以接受呢？
Decisions like these are very personal and difficult to make, which is why they must be respected and not commented on.
像这些完全是个人决定并且是很难作出的，这也是为什么我们必须尊重并不要妄加评论。
Typography is one of the most difficult trends to tackle which is why it will remain fresh in 2010.
设计字体是最难的设计风格之一，这就是为什么设计字体仍然是2010年的潮流趋势。
To grasp why it is so difficult for IT firms to stay on top, picture the computer industry as a never-ending enterprise to create digital “platforms”, both large and small.
为了理解为什么IT公司极难保持领先，我们可以把电脑工业想象成一个永无止境的行业，一直在创造有大有小的数字“平台”。
At night, it's the extra-sensitive rods that take over — this is why it's difficult to detect color in low levels of light.
夜间，特别敏感的视杆细胞在眼睛视物占有主导地位—这就是为什么在昏暗的光线条件下我们很难看到事物的色彩。
Making it happen is what counts, and this is the difficult bit - which is why so many seemingly clever schemes fail.
重要的是让想法付诸实施，而这很困难——这正是那么多看似更聪明的计划落空的原因所在。
But why is it so difficult to make suburbs more efficient?
但为什么公共交通在郊区很难发挥作用呢？
But why is it so difficult to make suburbs more efficient?
但为什么公共交通在郊区很难发挥作用呢？
应用推荐