【正文】 bridge (= right front pocket), to kiss the dog (= to steal the victim39。s money face to face) is the argot of pickpockets. Pickpocket argot signal transmission through these perpetrators, even if the object is Grilled heard, may not be aware of them. So pick a partner, the safe and success rate is high. Therefore, the slang play the role of such a society: boundaries of division and identity groups, and to maintain or obtain some kind of slang user group membership (BemardSpolsky, 2000). Time magazine39。s wellknown writer Lance Morrow (1986) pointed out that a group of slang, it gives some kind of status and identity of group members。 in the maintenance of concealment, consistent, selfesteem at the same time, through the language of rebellion, so that the groups and other social were distinguished. Adjust Interpersonal Relationships. Slang is informal language informality, it can bring both sides to talk casually familiar with the atmosphere, thus facilitating close to each other and eliminate barriers. If a teacher said to the student who can not answer the question: e along, my boy, cheer up, there is absolutely nothing to worry about. Then the students will be wiped embarrassed, classroom atmosphere will bee active. Blacks living in New York District are often have a securityconscious to those who are generally welleducated black lawyer or doctor.They think that those who already have superior social status, not sincere with them. However, when other people start off their land Road in black slang greeting Hey, baby, How do you do, baby? Their mood suddenly slack off, no longer restrained safely handle the matter entrusted to him. Maintain a Balance of Human Psychology.Freud39。s theory, we can easily find, slang main driving deep force es from self (ego) of the superego (superego) resistance. Since the society cell from the family to this munity have been, the class appeared, as a social man39。s spirit, the self always be hurt, This is a mon psychological of people. The slang just as a selfregulating healing agent. In order to resist the control of superego to the self, to ensure self healthy develop, there should be a means to pensate for their weaknesses. Slang is the language of this particular one such means. Popular Campus slang in America today illustrates this point. Today39。s society, students are to suffer increasing stress from family, school and munity, the part spirit of ego are difficult to obtain independent development. It is convenient to express the plexity of thinking with the specific language, so naturally the school students in the unique language of slang can help them. In this way the conversation among students can be very casual. Drug in the United States has bee a mon phenomenon in schools, in order to express this illegal behavior, students who use a lot of fun obscure slangs to express drugs: mother, monkey, monster, tea, straw, grass, weed, gum, noseburner, crystal and so on. In addition, the slang involving hanging, electrocution, murder and other terms, without exception, take a mockery of the attitude of death, this deeper reflect the user of slang take a humorous attitude towards the death of this cruel phenomenon, so as to he could make himself freed from fear.. Reflect the Speaker39。s Position The use of language is a social act, as part of the language, the use of slang is also a social behavior. Different social groups or groups have different slangs, they use slang which belong to their respective groups, in this way to show their identity and social status. If you are a student, when talking with the students to use brutal (great), flunk somebody. ( give somebody fail mark), applepolishing (flattering) like the slang will be indispensable. Suppose a person would like to make people believe he is a member of jazz group the fact that he more than just conversation with Cabriel (trumpet) such jazz slang specific purpose can be achieved. Meet People39。s Sense of Renewal, Reflect Personality. With the quickening pace of people39。s lives, the psychological pressure, in order to get rid of boring, monotonous life, the pursuit of psychological stimulation and novelty of new and create a lot of slangs, for example: pass away, depart to ground on behalf of die。 put to sleep on behalf of hang. slang can reflect the personality, embodied self, the most representative of the 20th century 5039。s emerged known as the beat generation Beat Generation of young people culture, they were extremely dissatisfied with American society, and they have taken alternative values. They refused to accept the traditional conception. Way to Paradise to seek the spirit of enlightenment method of artistic expression. The flower children in 60s, are those who have tread wear dress clothes chest as a symbol of love. Overe the Communicational BarrierMost of slang words are vivid, humorous, and imaginable. The short and interesting slang is better to pass on its meaning. There are many similar words among slang, such as ‘chicken’ (coward), ‘flick’ (movie), ‘wheels’ (bike). In fact, we could use some slang properly in our social intercourse, which may make our conversation humorous and smooth. The lively description is helpful to enliven the atmosphere, and ease the tone of the munication. ‘You’re nothing but a sucker’ seem to be more vivid than ‘you are a fool’。 ‘you are talking a lot of rubbish’ will be more humorous than ‘you are talking nonsense’. Comparison is often used in slang, so the usage of slang often evokes people’s imagination and receives the unusual language effects. ‘Three sheets in the wind’ describe a drunken man must be more authentic, imaginable. Secondly, generally speaking, the Standard English usually imposing, inflexible, mechanical, boring, in turn, slang often be more quick, light and easy. ‘hop’ means ‘dance’, but this will be more active than ‘dance’. America people think highly of time and efficiency. The usage