| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-8页 |
| 摘要 | 第9-13页 |
| ABBREVIATIONS | 第13-16页 |
| Chapter One INTRODUCTION | 第16-20页 |
| 1.1 Research Background | 第16-17页 |
| 1.2 Purpose and Significance of the Study | 第17-18页 |
| 1.3 Organization of the Thesis | 第18-20页 |
| Chapter Two LITERATURE REVIEW | 第20-30页 |
| 2.1 A Review of Previous Studies on Political Speeches | 第20-23页 |
| 2.1.1 Foreign Studies on Political Speeches | 第20-22页 |
| 2.1.2 Domestic Studies on Political Speeches | 第22-23页 |
| 2.2 A Review of Metaphor Research | 第23-25页 |
| 2.2.1 Metaphor Research Abroad | 第24页 |
| 2.2.2 Metaphor Research at Home | 第24-25页 |
| 2.3 A Review of Metaphor Studies on Political Speeches | 第25-28页 |
| 2.3.1 Previous Studies of Metaphor in Political Speeches Abroad | 第26-27页 |
| 2.3.2 Previous Studies of Metaphor in Political Speeches at Home | 第27-28页 |
| 2.4 Limitations of the Previous Studies | 第28-30页 |
| Chapter Three THEORETICAL FRAMEWORK | 第30-38页 |
| 3.1 Conceptual Metaphor Theory | 第30-34页 |
| 3.1.1 Definition of Conceptual Metaphor | 第30-31页 |
| 3.1.2 Classification of Conceptual Metaphor | 第31-33页 |
| 3.1.3 Working Mechanisms of Conceptual Metaphor | 第33-34页 |
| 3.2 Critical Metaphor Analysis | 第34-38页 |
| 3.2.1 Metaphor Identification | 第35页 |
| 3.2.2 Metaphor Interpretation | 第35-36页 |
| 3.2.3 Metaphor Explanation | 第36-38页 |
| Chapter Four METHODOLOGY | 第38-44页 |
| 4.1 Research Questions | 第38页 |
| 4.2 Data Collection | 第38-41页 |
| 4.3 Research Procedures | 第41-44页 |
| Chapter Five RESULTS AND DISCUSSION | 第44-90页 |
| 5.1 Textual Analysis on Diplomatic Speeches of Xi Jinping and Barack Obama | 第44-47页 |
| 5.2 Metaphor Identification in Diplomatic Speeches of Xi Jinping and Barack Obama | 第47-55页 |
| 5.2.1 Categorization of Conceptual Metaphors | 第47-50页 |
| 5.2.2 Distribution of Conceptual Metaphors | 第50-55页 |
| 5.3 Metaphor Interpretation in Diplomatic Speeches of Xi Jinping and Barack Obama | 第55-82页 |
| 5.3.1 Test for the Similarities and Differences in the Frequency of Metaphor Use | 第56-57页 |
| 5.3.2 Analysis of the Similarities and Differences in the Content of Metaphor Use | 第57-82页 |
| 5.4 Metaphor Explanation in Diplomatic Speeches of Xi Jinping and Barack Obama | 第82-90页 |
| 5.4.1 Reasons for the Similarities of Metaphor Use | 第82-84页 |
| 5.4.2 Reasons for the Differences of Metaphor Use | 第84-90页 |
| CHAPTER SIX CONCLUSION | 第90-96页 |
| 6.1 Major Findings of the Study | 第90-92页 |
| 6.2 Implications of the Study | 第92-94页 |
| 6.3 Limitations and Suggestions for Further Research | 第94-96页 |
| REFERENCES | 第96-102页 |
| APPENDIX | 第102-104页 |
| PUBISHED PAPERS | 第104页 |
