usual or familiar; happening or found often and in many places 普通的; 通常的; 常见的: a common flower, sight, event 普通的花﹑ 风景﹑ 事件 * the common cold 感冒 * Is this word in common use? ie Is it commonly used? 这个词常用吗? * Robbery is not common in this area. 这个地区劫案不常见. * Pine trees are common throughout the world. 松树在世界各处都很常见. Cf 参看 uncommon. 
[attrib 作定语] ~ (to sb/sth) shared by, belonging to, done by or affecting two or more people, or most of a group or society 共有的; 共同做的; 共同受到的: common property, ownership 共有的财产﹑ 所有权 * We share a common purpose. 我们有共同的目标. * He and I have a common interest: we both collect stamps. 我和他有共同的爱好, 我们都集邮. * He is French, she is German, but they have English as a common language, ie they can both speak English. 他是法国人, 她是德国人, 但他们以英语作为共同的语言. * measures taken for the common good, ie for the benefit of everyone 为了共同的利益而采取的措施 * A fruity quality is common to all wine made from this grape. 用这种葡萄酿制的所有的葡萄酒有共同的醇味. 
[attrib 作定语] without special rank or quality; ordinary 一般的, 平常的（没有特殊的级别或特性）: He's not an officer, but a common soldier. 他不是军官而是普通士兵. * the common people, ie the average citizens of a country 老百姓 * common salt 食盐. 
(infml derog 口, 贬) (of people, their behaviour and belongings) (typical) of the lower classes of society, showing a lack of taste and refinement; vulgar （指人﹑ 其行为及所有物）（典型的）下层社会的, 低级趣味的, 庸俗的, 粗俗的: common manners, accents, clothes 粗鄙的举止﹑ 口音﹑ 衣物 * She's so common, shouting like that so all the neighbours can hear! 她非常粗俗, 大喊大叫, 周围的人都能听到! 
(mathematics 数) belonging to two or more quantities 公共的: a common denominator/factor/multiple 公分母[公因子/公倍数]. 
(idm 习语) be common/public knowledge => knowledge. (as) ,common as `dirt/`muck (infml derog 口, 贬) (of people) very common1(4) （指人）极庸俗的. ,common or `garden ordinary; not unusual 平常的; 普通的: It isn't a rare bird, just a common or garden sparrow. 那不是稀有的鸟, 只不过是普通的麻雀. the ,common `touch ability (esp of sb of high rank) to deal with and talk to ordinary people in a friendly way and without condescension 平易近人的美德（尤指居高位的）: A politician needs the common touch. 政治家需要有平易近人的美德. ,make common `cause (with sb) (fml 文) unite to pursue a shared objective 联合起来追求共同的目标: The rebel factions made common cause (with each other) to overthrow the regime. 各造反派（彼此）联合起来共同推翻政府.> commonly adv
1 usually; very often 通常地; 常常地: That very commonly happens. 那种事常常发生. * Thomas, commonly known as Tom. 托马斯, 通常称为汤姆.
2 (infml derog 口, 贬) in a common1(4) manner 庸俗地.
# ,common `decency polite behaviour to be expected from a reasonable person 普通礼貌: You'd think he'd have the common decency to apologize for what he said. 你还以为他懂礼貌, 会为他说的话道歉.
,common `ground [U] shared opinions, interests, aims, etc 共同的意见﹑ 利益﹑ 目标等: The two rival parties have no common ground between them. 这两个敌对的党派之间没有共同点.
`common land [U] land that belongs to or may be used by the community, esp in a village 公地（为地区全体居民, 尤指村庄, 所有并使用的土地）. Cf 参看 common2.
,common `law [U] (in England) law developed from old customs and from decisions made by judges, ie not created by Parliament （英国的）普通法, 习惯法（由古老习俗或由法官判例演变而来的法律, 即非由国会制定者）. Cf 参看 case law (case1), statute law (statute). ,common-law `wife, ,common-law husband person with whom a man or woman has lived for some time and who is recognized as a wife or husband under common law, without a formal marriage ceremony 按普通法结合的妻子﹑ 丈夫（未举行正式婚礼, 男女已同居一定时间, 为普通法认可者）.
the ,Common `Market (also the European EconomicCommunity) economic association, established in 1958, and now including Belgium, Britain, Denmark, France, Greece, Ireland, Italy, Luxembourg, the Netherlands, Portugal, Spain and Germany, whose members give each other mutual trading advantages 共同市场（又名欧洲经济共同体）.
,common `noun (grammar) word that can refer to any member of a class of similar things (eg book or knife) 普通名词（可以指同类事物其中之一的词, 如 book﹑ knife）.
`common-room n room for use of the teachers or students of a school, college, etc when they are not in class （教师或学生的）公共休息室.
,common `sense practical good sense gained from experience of life, not by special study 常识; 情理: [attrib 作定语] I like her common-sense approach to everyday problems. 我喜欢她在处理日常问题上通情达理的方法.
,common `time (music 音) two or four beats (esp four crotchets) in a bar 普通拍子（每小节两拍或四拍, 尤指四个四分音符）.