根据以上分析，我们可以看到，委婉语是一种社会心理，反映了特定社会形态下

Based on the above analysis, we can see that euphemism is a social psychology, it reflects people under specific social form of communication psychology, in order to achieve the purpose of euphemism, the use of English euphemism will inevitably violate a principle of cooperation in kinds of guidelines. The four principles and guidelines for cooperation no clear boundaries, the process of using euphemisms in violation of one, two or even more of the guidelines is the norm.

According to the above analysis, we can see that euphemism is a kind of social psychology, reflecting the social psychology of people under a particular social form, in order to achieve the goal of euphemism, the use of English euphemism will inevitably violate some of the principles of cooperation. The four major guidelines in the principle of cooperation do not have obvious boundaries, and it is the norm to violate one, two or even more criteria in the process of euphemism.

According to the above analysis, we can see that euphemism is a kind of social psychology, which reflects people's communication psychology in a specific social form. In order to achieve the purpose of euphemism expression, the use of English euphemism will inevitably violate some norms in the principle of cooperation. However, there are no obvious boundaries among the four principles of cooperation. It is normal for euphemism to violate one, two or even more principles in the process of using.