| Acknowledgements | 第3-4页 |
| Abstract | 第4-6页 |
| 摘要 | 第7-14页 |
| Chapter One Introduction | 第14-19页 |
| 1.1 Research Background | 第14-15页 |
| 1.2 Research Questions | 第15页 |
| 1.3 Data Collection and Methodology | 第15-16页 |
| 1.4 Significance of the Study | 第16-17页 |
| 1.4.1 Theoretical Significance | 第17页 |
| 1.4.2 Practical Significance | 第17页 |
| 1.5 Structure of the Thesis | 第17-19页 |
| Chapter Two Literature Review | 第19-33页 |
| 2.1 The Origin and Definitions of Euphemisms | 第19-22页 |
| 2.1.1 The Origin of Euphemisms | 第19-21页 |
| 2.1.2 Definitions of Euphemisms | 第21-22页 |
| 2.2 Studies of Euphemism from different Perspectives | 第22-29页 |
| 2.2.1 Rhetoric | 第22-23页 |
| 2.2.2 Semantics | 第23-25页 |
| 2.2.3 Pragmatics | 第25-27页 |
| 2.2.4 Social Psychology | 第27-28页 |
| 2.2.5 Cognitive Linguistics | 第28-29页 |
| 2.3 Classification of Euphemism | 第29-32页 |
| 2.3.1 Positive Euphemism and Negative Euphemism | 第29-30页 |
| 2.3.2 Narrow Sense Euphemism and Broad Sense Euphemism | 第30页 |
| 2.3.3 Altruism Euphemism, Encompassing Euphemism and Egoism Euphemism | 第30-31页 |
| 2.3.4 Other Classifications of Euphemism | 第31-32页 |
| 2.4 Summary | 第32-33页 |
| Chapter Three Conceptual Integration Theory | 第33-45页 |
| 3.1 The Background of Conceptual Integration Theory | 第33页 |
| 3.2 An Illustration to Conceptual Integration Theory | 第33-39页 |
| 3.2.1 Mental Spaces | 第34页 |
| 3.2.2 Input Spaces, Generic Space and Blending | 第34-36页 |
| 3.2.3 Cross-spaces Mapping and Vital Relations | 第36-39页 |
| 3.2.4 Emergent Structure | 第39页 |
| 3.3 Types of Conceptual Integration Networks | 第39-43页 |
| 3.3.1 Simplex Networks | 第40页 |
| 3.3.2 Mirror Networks | 第40-41页 |
| 3.3.3 Single-scope Networks | 第41-43页 |
| 3.3.4 Double-scopes Networks | 第43页 |
| 3.4 Summary | 第43-45页 |
| Chapter Four Contrastive Analyses of Euphemisms in the Three Languages | 第45-92页 |
| 4.1 A Contrastive Analysis of Altruism Euphemisms in the Three Languages | 第45-60页 |
| 4.1.1 A Contrastive Analysis of Occupation Euphemisms in the Three Languages from Conceptual Integration Theory | 第45-52页 |
| 4.1.2 A Contrastive Analysis of Appellation Euphemisms | 第52-59页 |
| 4.1.3 Summary | 第59-60页 |
| 4.2 A Contrastive Analysis of Encompassing Euphemisms in the Three Languages from Conceptual Integration Theory | 第60-79页 |
| 4.2.1 Integration Processes of Death Euphemisms in the Three Languages | 第60-67页 |
| 4.2.2 Integration Processes of Physical Behavior Euphemisms in the Three Languages | 第67-78页 |
| 4.2.3 Summary | 第78-79页 |
| 4.3 A Contrastive Analysis of Egoism Euphemisms in Discourse from Conceptual Integration Theory | 第79-89页 |
| 4.3.1 A Contrastive Analysis of War Euphemisms from Conceptual Integration Theory | 第80-86页 |
| 4.3.2 A Contrastive Analysis of Politics Euphemisms from Conceptual Integration Theory | 第86-89页 |
| 4.3.3 Summary | 第89页 |
| 4.4 Potential Reasons for the Similarities and Differences | 第89-92页 |
| Chapter Five Conclusion | 第92-95页 |
| 5.1 Major Findings of the Study | 第92-94页 |
| 5.1.1 Similarities of Integration Processes of Euphemisms in the Three Languages | 第93页 |
| 5.1.2 Differences of Integration Processes of Euphemisms in the Three Languages | 第93-94页 |
| 5.2 Limitations and Suggestions for the Further Study | 第94-95页 |
| References | 第95-100页 |
| Publications | 第100-101页 |
