| The adverb "bu yi ding" and "bu jian de" were regularly used in the modem written and spoken Chinese, they have the similar semantic meaning and form, so many authoritative dictionaries explain them with interpretation method. But, through the survey we found there are many differences in semantics, syntax and language usage. From the questionnaire survey we also found that students often make mistakes when they use these two words. Previous research to these two words does not see more, existing dictionaries have many problems and questions for "bu yi ding" and "bu jian de", for pragmatic aspects of the differences, and the teaching application are not involved. In view of the above, this article will have a detailed description and comprehensive analysis of the differences between"bu yi ding" and "bu jian de" from syntax, semantics and pragmatics. Finally, through the questionnaire and interview, the paper analyzes the errors of teaching situation, and proposes solution.Chapterl:Outline. In this part, we put forward the problem under the background studies of Chinese language learning and fruits achieved.Chapter 2:Discuss the properties definition problems of "bu yi ding " and "bu jian de"Chapter 3:Discuss "bu yi ding" and "bu jian de" grammaticalization process.Chapter 4:Mainly investigate the semantic differences between "bu yi ding and "bu jian de ", summarize the explanation of the dictionary, improve and refine the semantic compared both similarities and differences. Chapter 5:inspect the syntactic differences of "bu yi ding " and "bu jian de ",from the following two respects, syntactic distribution and syntactic collocation.Chapter 6:Mainly investigate the pragmatic differences of "bu yi ding" and "bu jian de", separately from the differences of subjectivity, negative tendentiousness, tone function, stylistic colors for an investigation.Chapter 7:Based on the questionnaire and interview of students'use of "bu yi ding" and "bu jian de", the part analyzes the errors mainly from errors types, reasons, the suggestions and ideas of teaching. Finally, make a conclusion.Based on previous research, two such words do not see more, the interpretation and the discrimination in the existing dictionaries for "not exactly" and "not" have many problems and questions, for pragmatic aspects of the differences and the teaching application are not involved. |