difficult单词相关例句：
Poverty is an abnormality to rich people. It is very difficult to make out why people who want dinner do not ring the bell.——Walter Bagehot, Buetish economist  对于富人来说，贫穷是不可理解的异常现象：他们怎么也弄不明白，那些想要吃饭的人，为什么不摇铃让人送来呢？英国经济学家巴杰特.W.  
To acquire wealth is difficult, to preserve it more difficult, but to spend it wisely most difficult of all. 积财难，守财最难，而聪明地散财最难。
Singularity is almost invariably a clue. The more featureless and commonplace a crime is , the more difficult is it to bring it  home.
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。
The more you fight something, the more anxious you become ---the more you're involved in a bad pattern, the more difficult it is to escape.——Seebohm Caroline, British Physician你越是为了解决问题而拼斗，你就越变得急躁——在错误的思路中陷得越深，也越难摆脱痛苦。英国医生   卡罗琳   S
If rich, it is easy enough to conceal our wealth, but, if poor, it is not so easy to conceal our poverty. We shall find it less difficult to hide a thousand guineas, than one hole in our coat.——Charles C. Colton, British clergyman  如果富有，藏富很容易；如果贫穷，掩饰贫穷却很难。我们不难发现隐藏1000个金币比遮盖衣服上的一个破洞来得容易。英国画妆师科尔顿.C.C  
Education makes a people easy to lead, but difficult to drive ; easy to govern but imposible to slave.——Brougham, British statesman教育使一个民族容易领导，但是难于驱使；容易管理，却不可能奴役。英国政治家   布罗马汉姆
Only those who have the patience to do simple things perfectly ever acquire the skill to do difficult things easily . (Friedrich Schiller , German Dramatist and poet).——只有有耐心圆满完成简单工作的人，才能够轻而易举地完成困难的事。(德国剧作家、诗人 席勒. F.)  
University was difficult for me, but I graduated eventually.
大学对我来说是困难的，但是我终于毕业了。

This could be one of the most difficult methods to get to the other side.
这个大概是从这儿到那儿最难的方式了。
hard单词相关例句：
It is easy to open a shop but hard to keep it always open. 开设店铺易，维持常开难。
It is hard to please all parties. 取悦各方，谈何容易。
Couch hard arguments in soft words. 理要硬而话要软。
When one loves one's art no service seems too hard .( O. Henry, American novelist )——一旦热爱艺术，什么奉献也不难。 (美国小说家 欧·亨利)网上找的，就是没我需要的 :(分享一下。如果有谁知道这句话的原文，希望告诉我，谢谢！以及作者的国籍全名。辛勤的蜜蜂永没有时间悲哀！                       
Don't tell me how hard you work. Tell me how much you get done. 不必告诉我你多么勤奋,只要告诉我你做了多少事.
Only by working hard can we reap a bumper harvest. 只有通过辛勤的劳动才能收获丰硕的成果.
Fortune is easily found,but hard to be kept. 找到福分易，保持福分难。
Without hard work there won't be any scientific creations. 没有艰苦劳动,就没有科学创造.
Life is but a hard and tortuous journey. 人生即是一段艰难曲折的旅程. /人生无坦途.
Strike the ball flat and hard to knock it out of the stadium.
用力水平击球，这样就能把球打出场外。