Making Promises in English 用英语做出承诺 When you need to make a promise in English, you can use these common phrases and expressions: 当你需要用英语做出承诺时，可以使用以下常见短语和表达： Making promises: 做出承诺： I promise that I will finish the job on time. 我保证我会按时完成这项工作。 I promise you that that's the truth. 我向你保证，那是事实。 I swear I will never leave you. 我发誓我永远不会离开你。 I swear I won't let you down. 我发誓我不会让你失望。 I assure you that I will return the book tomorrow morning. 我向你保证，我明天早上会把书还回来。 I assure you that I will be there on time. 我向你保证，我会准时到达那里。 Believe me , I won't make you disappointed. 相信我，我不会让你失望的。 Trust me , I can do it. 相信我，我能做到。 Useful Responses: 有用的回应： Thank you. 谢谢你。 I believe you. 我相信你。 All right. Keep your promise. 好的。请遵守你的承诺。 I hope you will keep your words. 我希望你会信守诺言。 Just let the time answer it. 就让时间来证明吧。