| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-12页 |
| Chapter 1 Introduction | 第12-16页 |
| ·Background of the Present Study | 第12-13页 |
| ·Purpose and Significance of the Study | 第13-15页 |
| ·Overall Structure of the Paper | 第15-16页 |
| Chapter 2 Literature Review | 第16-34页 |
| ·English Euphemism | 第16-30页 |
| ·Definition of English Euphemism | 第17-19页 |
| ·Classification of English Euphemism | 第19-22页 |
| ·Formation Devices of English Euphemism | 第22-30页 |
| ·Lexical Approach | 第22-25页 |
| ·Grammatical Approach | 第25-29页 |
| ·Rhetorical Approach | 第29-30页 |
| ·Previous Studies on Euphemism | 第30-32页 |
| ·Studies on Euphemism Abroad | 第30-31页 |
| ·Studies on Euphemism at Home | 第31-32页 |
| ·A Brief Introduction to Friends | 第32-34页 |
| Chapter 3 Theoretical Framework and Methodology | 第34-47页 |
| ·Theoretical Framework-Iconicity | 第34-43页 |
| ·Definition of Iconicity | 第34-36页 |
| ·Major Studies of Iconicity | 第36-39页 |
| ·Principles of Iconicity Theory | 第39-43页 |
| ·Methodology | 第43-47页 |
| ·Research questions | 第43-44页 |
| ·Data Collection | 第44-45页 |
| ·Data Analysis | 第45-47页 |
| Chapter 4 An Analysis of Englsih Euphemism in Friends from the Perspective of Iconicity | 第47-74页 |
| ·Quantity Iconicity of English Euphemism in Friends | 第48-59页 |
| ·Quantity Iconicity of Englsih Euphemism at the lexical Level | 第48-54页 |
| ·Quantity Iconicity of Englsih Euphemism at the Grammatical Level | 第54-59页 |
| ·Markedness Iconicity of Englsih Euphemism in Friends | 第59-67页 |
| ·Markedness Iconicity of English Euphemism at the Grammatical Level | 第60-62页 |
| ·The Use of Interrogative Sentence | 第60-62页 |
| ·The Use of Subjunctive Mood | 第62页 |
| ·Markedness Iconicity of English Euphemism at the Rhetorical Level.53 | 第62-67页 |
| ·The Use of Overstatement | 第64-66页 |
| ·The Use of Understatement | 第66-67页 |
| ·Distance Iconicity of English Euphemism in Friends | 第67-74页 |
| ·Distance Iconicity of English Euphemism at the Grammatical Level | 第68-72页 |
| ·Distance Iconicity of English Euphemism at the Lexical Level | 第72-74页 |
| Chapter 5 Conclusion | 第74-80页 |
| ·Major Findings | 第75-76页 |
| ·Implications and Limitations | 第76-78页 |
| ·Suggestions for Future Researches | 第78-80页 |
| References | 第80-82页 |