common

adj.普通的；通俗的；[数学]公共的；共有的

n.[法律]（对土地、水域的）共有权；公共用地；普通；平民

adj.

1. 常见的；通常的；普遍的
   happening often; existing in large numbers or in many places
   1. Jackson is a common English name.
      杰克逊是常见的英语人名。
   2. Breast cancer is the most common form of cancer among women in this country.
      乳腺癌是这个国家妇女中最常见的一种癌症。
   3. Some birds which were once a common sight are now becoming rare.
      有些曾经随处可见的鸟类现在日益稀少。
   4. a common spelling mistake
      常犯的拼写错误
2. 共有的；共享的；共同的
   shared by or belonging to two or more people or by the people in a group
   1. They share a common interest in photography.
      他们在摄影方面兴趣相投。
   2. basic features which are common to all human languages
      所有人类语言共有的基本特征
   3. We are working together for a common purpose.
      我们在为一个共同的目标一起工作。
   4. common ownership of the land
      土地的共同所有权
   5. This decision was taken for the common good (= the advantage of everyone) .
      作出这个决定是为了共同的利益。
   6. It is, by common consent , Scotland's prettiest coast (= everyone agrees that it is) .
      这是苏格兰公认的最美丽的海岸。
3. 普通的；平常的；寻常的；平凡的
   ordinary; not unusual or special
   1. the common garden frog
      园地里常见的青蛙
   2. Shakespeare's work was popular among the common people in his day.
      莎士比亚的作品在他那个年代很受平民百姓的欢迎。
   3. In most people's eyes she was nothing more than a common criminal .
      在多数人的眼里她只不过是个普通的罪犯。
   4. You'd think he'd have the common courtesy to apologize (= this would be the polite behaviour that people would expect) .
      你还以为他会懂得起码的礼貌去道个歉呢。
   5. It's only common decency to let her know what's happening (= people would expect it) .
      出于礼貌，该让她知道正在发生的事。
4. 粗俗的；庸俗的
   typical of sb from a low social class and not having good manners
   1. She thought he was very common and uneducated.
      她认为他很粗俗且无教养。

noun

1. 公共用地；公地
   an area of open land in a town or village that anyone may use
   1. We went for a walk on the common.
      我们在公地上散步。
   2. Wimbledon Common
      温布尔登公地
2. （学校、大学等的）学生公共食堂
   a large room where students can eat in a school, college, etc.
   1. The commons is next to the gym.
      学生公共食堂在体育馆的旁边。

common 普通，公共

com-, 强调。-mon, 公共，词源同mean, communicate.

1. The pharmacist can assist you with the treatment of common ailments.
   药剂师能帮你治疗一般的病痛。
2. This is a common fallacy which has no basis in fact.
   这是一个没有事实依据的常见谬误。
3. His name was Hansen, a common name in Norway
   他的名字叫汉森，在挪威是一个常见的名字。
4. Oil pollution is the commonest cause of death for seabirds
   石油污染是造成海鸟死亡最常见的原因。
5. Earthquakes are not common in this part of the world
   地震在这一带不常发生。
6. It was common practice for prisoners to carve objects from animal bones to pass the time.
   用动物骨头雕刻物品是犯人打发时间的一种常见做法。
7. Moldavians and Romanians share a common language
   摩尔达维亚人和罗马尼亚人使用同一种语言。
8. Such behaviour is common to all young people.
   这种行为在年轻人中司空见惯。
9. Democracy might elevate the common man to a position of political superiority
   民主也许能提升普通人的政治地位，让他们产生优越感。
10. Common salt is made up of 40% sodium and 60% chloride.
    食盐由40%的钠和60%的氯化物构成。
11. It is common decency to give your seat to anyone in greater need
    给更有需要的人让座是最起码的礼貌。
12. He didn't have the common courtesy to ask permission.
    他连邀准这种最起码的礼貌都没有。
13. It is common knowledge that swimming is one of the best forms of exercise.
    大家都知道游泳是最好的锻炼方式之一。
14. She might be a little common at times, but she was certainly not boring.
    她有时候可能有点粗俗，但绝对不会让人生厌。
15. We are warning women not to go out on to the common alone.
    我们告诫女性不要独自去公共草地。
16. The Prime Minister is to make a statement in the Commons this afternoon
    今天下午首相将在下议院发表声明。
17. The Commons has spent over three months on the bill.
    下议院在这项议案上已经花了3个多月的时间。
18. The oboe and the clarinet have got certain features in common
    双簧管和单簧管有些相似之处。
19. In common with most Italian lakes, access to the shores of Orta is restricted.
    和大部分意大利湖泊一样，奥尔塔湖岸不对公众开放。
20. He had very little in common with his sister.
    他和姐姐几乎没有什么共同语言。
21. They were conversing in German, their only common language.
    他们正用德语交谈，这是他们唯一的共同语言。
22. This feeling of desperation and helplessness was common to most of the refugees
    大多数难民都有这种绝望和无助的感觉。
23. These habits of thinking elide the difference between what is common and what is normal.
    这些思维习惯忽略了普通和正常之间的区别。
24. Moving had become a common experience for me
    搬家对我而言已经成了常事。
25. Henceforward France and Britain had a common interest
    自此法国和英国有了共同的利益。
26. To summarise, this is a clever approach to a common problem.
    总而言之，这是一个解决常见问题的巧妙方法。
27. In this section we will describe common myths about cigarettes, alcohol, and marijuana
    在这一节，我们将说明有关烟、酒和大麻的常见谬论。
28. In this matter we must place the common cause above all else.
    在这件事情上，我们必须把共同事业放在高于一切的位置上。
29. I judge it by common sense.
    我靠常识判断。
30. It's too common to mention.
    这太平常了，不值一提。