| ACKNOWLEDGEMENTS | 第5-7页 |
| ABSTRACT | 第7-9页 |
| 摘要 | 第10-16页 |
| Chapter One INTRODUCTION | 第16-22页 |
| 1.1 Research Background | 第16-18页 |
| 1.2 Purpose of the Research | 第18-19页 |
| 1.3 Significance of the Research | 第19-21页 |
| 1.4 Organization of the Thesis | 第21-22页 |
| Chapter Two LITERATURE REVIEW | 第22-38页 |
| 2.1 Conceptualization | 第22-28页 |
| 2.1.1 Definitions of Vagueness | 第22-24页 |
| 2.1.2 Terms Related with Vagueness | 第24-26页 |
| 2.1.3 Sports News | 第26-28页 |
| 2.2 Previous Studies on Vagueness | 第28-33页 |
| 2.2.1 Relevant Studies on Vagueness Abroad | 第28-30页 |
| 2.2.2 Relevant Studies on Vagueness at Home | 第30-33页 |
| 2.3 Previous Studies on Vagueness in Sports News and the Limitations | 第33-38页 |
| 2.3.1 Previous Studies on Vagueness in Sports News | 第34-36页 |
| 2.3.2 Limitations with Previous Studies | 第36-38页 |
| Chapter Three THEORETICAL FRAMEWORK | 第38-48页 |
| 3.1 Pragmatics and Vagueness in Pragmatics | 第38-39页 |
| 3.2 Classifications of Vagueness | 第39-43页 |
| 3.3 Adaptation Theory | 第43-48页 |
| Chapter Four RESEARCH METHODOLOGY | 第48-52页 |
| 4.1 Research Questions | 第48页 |
| 4.2 Data Collection | 第48-49页 |
| 4.3 Data Analysis Methods | 第49-52页 |
| Chapter Five COMPARATIVE ANALYSIS OF VAGUENESS IN ENGLISH AND CHINESE SPORTS NEWS REPORTS OF RIO OLYMPIC GAMES | 第52-94页 |
| 5.1 Distribution of Frequency of Vagueness in Each Corpus | 第52-61页 |
| 5.1.1 Fuzzy Continuum | 第55-57页 |
| 5.1.2 Taxonomic Category | 第57页 |
| 5.1.3 Nomenclative Evaluation | 第57-59页 |
| 5.1.4 Hedging | 第59-61页 |
| 5.2 Similarities and Differences of Vagueness in English and Chinese Sports News Reports of Rio Olympic Games | 第61-72页 |
| 5.2.1 Similarities of Vagueness in English and Chinese Sports News Reports of Rio Olympic Games | 第62-65页 |
| 5.2.2 Differences of Vagueness in English and Chinese Sports News Reports of Rio Olympic Games | 第65-71页 |
| 5.2.3 Causes for Similarities and Differences of Vagueness in English and Chinese Sports News Reports of Rio Olympic Games | 第71-72页 |
| 5.3 Pragmatic Functions of Vagueness in English and Chinese Sports News Reports of Rio Olympic Games | 第72-94页 |
| 5.3.1 Functions as Adaptation to the Physical World | 第82-86页 |
| 5.3.2 Functions as Adaptation to the Social World | 第86-89页 |
| 5.3.3 Functions as Adaptation to the Mental World | 第89-94页 |
| Chapter Six CONCLUSION | 第94-98页 |
| 6.1 Major Findings | 第94-96页 |
| 6.2 Limitations of the Research | 第96-97页 |
| 6.3 Suggestions for Further Research | 第97-98页 |
| REFERENCES | 第98-104页 |
| PUBISHED PAPERS | 第104-106页 |
| APPENDIX | 第106-110页 |