大学英语四级考试，即CET-4，College English Test Band 4的缩写，是由国家教育部高等教育司主持的全国性英语考试。考试的主要对象是根据教育大纲修完大学英语四级的在校专科生、本科生或研究生。
1. On no account can we ignore the value of knowledge.
我们绝对不能忽视知识的价值。
2. It is time the authorities concerned took proper steps to solve the traffic problems.
该是有关当局采取适当的措施来解决交通问题的时候了。
3. Those who violate traffic regulations should be punished.
违反交通规则的人应该受到处罚。
4. There is no one but longs to go to college.
人们都希望上大学。
5. Since the examination is around the corner, I am compelled to give up doing sports.
既然考试迫在眉睫，我不得不放弃作运动。
6. It is conceivable that knowledge plays an important role in our life.
可想而知，知识在我们的一生中扮演一个重要的角色。
7. Summer is sultry. That’s the reason why I don’t like it.
夏天很闷热，这就是我不喜欢它的原因。
8. The progress of the society is based on harmony.
社会的进步是
9. We should bring home to people the value of working hard.
我们应该让人们知道努力的价值。
10. Taking exercise is closely related to health.
作运动与健康息息相关。
11. We should get into the habit of keeping good hours.
我们应该养成早睡早起的习惯。
12. The condition of our traffic leaves much to be desired.
我们的交通状况令人不满意。
13. Smoking has a great influence on our health.
抽烟对我们的健康有很大的`影响。
14. Reading does good to our mind.
读书对心灵有益。
15. Overwork does harm to health.
工作过度对健康有害。
16. Pollution poses a great threat to our existence.
污染对我们的生存造成巨大威胁。
2. We should do our best to achieve our goal in life.
我们应尽全力去达成我们的人生目标。
18. Weather a large family is a good thing or not is a very popular topic, which is often talked about not only by city residents but by farmers as well.
家庭人口多好还是家庭人口少好是一个非常通俗的主题，不仅是城里人，而且农民都经常讨论这个问题。
19. As is known to all, fake and inferior commodities harm the interests of consumers.
众所周知，假冒伪劣商品损害了消费者的利益。
20. Today an increasing number of people have realized that law education is of great importance. In order to keep law and order, every one of us is supposed to get a law education.
现在，愈来愈多的人认识到法制教育的重要性。为了维护社会治安 ，我们每人都应该接受法制教育。
21. From what I have mentioned above, we can see clearly that violence on TV has great influence on youngsters’ behavior.
从上面我所提到的，我们可以清楚地看到，电视暴力对青少年的影响是极其深远的。
22. There are two reasons for the improvement in people’s living conditions. In the first place, we have been carrying out the reform and opening-up policy. Secondly, there has been a rapid expansion of our national economy. Furthermore, the birth rate has been put under control.
人民生活状况的改善原因有两点。首先，我们一直在贯彻执行改革开放政策。其次，国民经济正在迅速发展，而且出生率已经得到控制。
23. My suggestions to deal with the problem are as follows. To begin with, it is urgent to create nature reserves. Secondly, certain rare wild animals that are going to be extinct should be collected, fed and reproduced artificially. Finally, those who hunter them must be punished severely.
我对解决这个问题的建议如下：首先，迫在眉睫的是建立自然保护区。其次，有些濒临灭绝的珍稀野生动物应该收捕、人工喂养并繁殖。最后，对于捕猎珍稀野生动物的人必须严惩。
24. People differ in their attitudes towards failure. Faced with it, some of them can stand up to it, draw useful lessons from it and try hard to fulfill what they are determined to do. Others, however, lose heart and give in.
人们对失败持有不同的态度。面对失败，有人能够经得起考验，从失败中汲取教训，并努力去完成他们下定决心要做的事情。然而，另一些人却丧失信心并退却了。
25. It is desirable to build more hospitals, shopping centers, recreation centers, cinemas and other public facilities to meet the growing needs of people.
人们希望建立更多的医院、购物中心、娱乐中心、电影院和其他公用设施来满足人们日益增长的需求。
1、Knowledge makes humble, ignorance makes proud.
博学使人谦逊，无知使人骄傲。
2、Learn and live.
活着，为了学习。
3、Learning makes a good man better and ill man worse.
好人越学越好，坏人越学越坏。
4、Learn not and know not.
不学无术。
5、Learn to walk before you run.
先学走，再学跑。
6、Let bygones be bygones.
过去的。就让它过去吧。
7、Let sleeping dogs lie.
别惹麻烦。
8、Let the cat out of the bag.
泄漏天机。
9、Lies can never changes fact.
谎言终究是谎言。
10、Lies have short legs.
谎言站不长。
11、Life is but a span.
人生苦短。
12、Life is half spent before we know what it is.
人过半生，方知天命。
13、Life is not all roses.
人生并不是康庄大道。
14、Life without a friend is death.
没有朋友，虽生犹死。
15、Like a rat in a hole.
瓮中之鳖。
16、Like author, like book.
文如其人。
17、Like father, like son.
有其父必有其子。
18、Like for like.
一报还一报。
19、Like knows like.
惺惺相惜。
20、Like mother, like daughter.
有其母必有其女。
21、Like teacher, like pupil.
什么样的老师教什么样的学生。
22、Like tree, like fruit.
羊毛出在羊身上。
He is lifeless that is faultless.
只有死人才不犯错误。
He is not fit to command others that cannot command himself.
正人先正己。
He is not laughed at that laughs at himself first.
自嘲者不会让人见笑。
He is wise that is honest.
诚实者最明智。
He knows most who speaks least.
大智若愚。
He laughs best who laughs last.
谁笑到最后，谁笑得最好。
He sets the fox to keep the geese.
引狼入室。
He that climbs high falls heavily.
爬得越高，摔得越重。
He that will not work shall not eat.
不劳动者不得食。
He who does not advance loses ground.
逆水行舟，不进则退。
He who makes constant complaint gets little compassion.
经常诉苦，没人同情。
He who makes no mistakes makes nothing.
想不犯错误，就一事无成。
He who risks nothing gains nothing.
收获与风险并存。
History repeats itself.
历史往往重演。
Honesty is the best policy.
做人诚信为本。
Hope for the best, but prepare for the worst.
抱最好的愿望，做最坏的打算。
I cannot be your friend and your flatterer too.
朋友不能阿谀奉承。
If a man deceives me once, shame on him, if he deceives me twice, shame on me.
上当一回头，再多就可耻。
If you make yourself an ass, don‘t complain if people ride you.
人善被人欺，马善被人骑。
If your ears glow, someone is talking of you.
耳朵发烧，有人念叨。
If you run after two hares, you will catch neither.
脚踏两条船，必定落空。
If you sell the cow, you sell her milk too.
杀鸡取卵。
If you venture nothing, you will have nothing.
不入虎穴，焉得虎子。
If you want knowledge, you must toil for it.
要想求知，就得吃苦。
Industry is the parent of success.
勤奋是成功之母。