| Acknowledgements | 第1-4页 |
| Abstract | 第4-5页 |
| 内容提要 | 第5-8页 |
| Chapter 1. Introduction | 第8-10页 |
| Chapter 2. Literature Review on Cognitive Linguistics | 第10-12页 |
| ·What is Cognitive Linguistics | 第10页 |
| ·Three Main Approaches in Cognitive Linguistics | 第10-12页 |
| Chapter 3. Euphemism | 第12-16页 |
| ·What is Euphemism | 第12-13页 |
| ·The Application of Euphemism | 第13-16页 |
| Chapter 4. Cognitive Linguistic Study of Euphemism | 第16-41页 |
| ·Categorization in Cognitive Linguistics | 第16-28页 |
| ·The Classical Approach to Categorization | 第17-19页 |
| ·The Cognitive Approach to Categorization | 第19-28页 |
| ·Prototype Theory | 第21-24页 |
| ·Levels of Categorization | 第24-27页 |
| ·Action Category and Event Category | 第27-28页 |
| ·The Application of Categorization in Euphemism | 第28-41页 |
| ·Semantic Category | 第28-29页 |
| ·The Operating Mechanism of Euphemism | 第29-30页 |
| ·The Application of Prototype Theory in Euphemism | 第30-35页 |
| ·The Application of the Levels of Categorization to Euphemisms | 第35-41页 |
| Chapter 5. Metaphor and Euphemism | 第41-53页 |
| ·Different Approaches to Metaphor | 第41-44页 |
| ·Traditional Approach to Metaphor | 第41页 |
| ·Cognitive Approach to Metaphor: the Conceptual Metaphor | 第41-44页 |
| ·The Psychological Basis of Metaphor | 第43-44页 |
| ·The Application of Conceptual Metaphor in Euphemism | 第44-53页 |
| ·The Systematicity of Metaphorical Concepts | 第45-47页 |
| ·The Effect of Systematicity: highlighting and hiding | 第47-50页 |
| ·Theoretical Application in Euphemism | 第50-53页 |
| Chapter 6. Metonymy and Euphemism | 第53-60页 |
| ·Metonymy in Cognitive Linguistics: metonymic concept | 第53-56页 |
| ·The Systematicity of Metonymy | 第54-55页 |
| ·The Highlighting and Hiding of Metonymy | 第55-56页 |
| ·Salience | 第55-56页 |
| ·The Function of Highlighting and Hiding | 第56页 |
| ·The Application of Metonymy in Euphemisms | 第56-60页 |
| Chapter 7. Conclusion | 第60-62页 |
| Bibliography | 第62-63页 |
