本 科 毕 业 论 文 第 1 页 共 15 页1 IntroductionEuphemism, an appropriate language form created for perfect communicative effect and an important way to coordinate interpersonal relationship, is a common linguistic phenomenon existing in people s use of language.Euphemism appears first in ShiJing , so it has a long history. Chinese scholar Chen Wangdao defines “ euphemism ” and studies it from the perspective of rhetoric in The Origin of Rhetoric. In the 1970s and 1980s, affected by the foreign soc