| Introduction | 第1-17页 |
| 1. A Brief Survey of Vagueness | 第17-26页 |
| ·The Nature of Vagueness | 第17-22页 |
| ·The Definition of Vagueness | 第22-26页 |
| 2. A Pragmatic Approach to Vagueness in Everyday Conversation | 第26-56页 |
| ·The Necessity for the Study of Vagueness in Pragmatics | 第26-29页 |
| ·The Categories of Pragmatic Vagueness | 第29-36页 |
| ·A Study of He Ziran's Categories | 第29-33页 |
| ·A Study of Thomas' Categories | 第33-36页 |
| ·Combination of Pragmatic Theories and Vagueness | 第36-56页 |
| ·Vagueness and Co-operative Principle | 第37-42页 |
| ·Vagueness and Politeness Principle | 第42-51页 |
| ·Analysis of Vague Expressions with Maxims of Politeness Principle | 第47-51页 |
| ·Vagueness and Relevance Theory | 第51-56页 |
| 3. Pragmatic Functions of Vagueness in Everyday Conversation | 第56-81页 |
| ·Positive Functions of Vagueness in Everyday Conversation | 第59-77页 |
| ·Contributing the Accuracy to Everyday Conversation | 第59-62页 |
| ·Changing the Degree of One's Commitment for Various Purposes | 第62-72页 |
| ·Being Reserved | 第63-64页 |
| ·Being Euphemistic | 第64-67页 |
| ·Being Emphatic | 第67-69页 |
| ·Being Polite | 第69-72页 |
| ·Filling Linguistic Gaps | 第72-74页 |
| ·Producing Aesthetic Effects | 第74-77页 |
| ·Negative Functions of Vagueness in Everyday Conversation | 第77-81页 |
| 4. Significance of the Study of Vagueness in Everyday Conversation | 第81-90页 |
| Conclusion | 第90-94页 |
| APPENDIX Ⅰ | 第94-96页 |
| APPENDIX Ⅱ | 第96-97页 |
| BIBLIGRAPHY | 第97-102页 |
| 声明 | 第102页 |
