American slang development tendency Before the people often thought the slang originates from the social lower level, has some vulgar meanings, including the shoptalk, the terminology, the secret language and so on, along with society's development, the slang also has one kind of desire to ascend the place of refinement at the present the tendency, therefore the slang becomes the people to argue a many kind of language. Some people thought the slang causes the language to be vivid, the visualization, some people thought actually the slang is destroying the language. But the observation today English change obtains one of conclusions is, more and more many slangs are entering the standard English the category, it but develops unceasingly along with society's development, rich, not only the glossary quantity is increasing, moreover uses the scope also expanded. Compiles the first English dictionary Dr.Samuel Johnson (1709-1784) in 1755 also thought is similar in Fisky,Gambler,A conundrum kind of he word must cease the use. But the present, nobody can because others use these words but to feel has felt strangeBecause the time is changing, moreover changes is so quick, perhaps down to slang this word itself in the near future vanishes without a trace. For example, a hip character, "a generation which 垮掉" stemming from US in also appears extremely vulgar and the odd at that time, but the present appears actually as the hep anomalous form in merriam-websterd third international, also no longer sign note slang. The language took one kind of social phenomenon, must adapt with his social background, the American slang took one kind of human relations tool, it must serve its social basis. Along with society's development, some slangs can withdraw from the historical arena, some slangs or took he uses, or the careful appearance, changes external appearances only, some slangs or enter in the official language, but some slangs then can along with society's transformation as well as the time need, meet the mushroom growth production and the growth. We (1,960) (1,961) make went worth and flexner dictionary of American with merriam-webster third international a comparison not to be difficult to discover that, former has drawn up 2,355 hes words, but latter in agreed its word meaning under the premise, only lists as 549 the slang, in a year has so many slangs to join to the standard language ranks, the enough fact proved the slang the development is tending to the standardization, the popularity. The language development tendency is succinct and understands, as a result of the slang popularity, its tactful meaning is attenuating, in addition to certain glossaries sympathies,He uses the universality is strengthening, moreover its use is tending to the standardization. Therefore he becomes the populace language not to be possible gradually to take a few part. Dictionary of American slang thought the American slang glossary occupied the English complete glossary 1/5