求翻译：非常感谢你，在如此疲倦时，应然不忘对我的承诺，这让我感到很愧疚。再次感谢你，愿意将你学到的知识，慷慨的传授给我。我今后一定更加努力的学习英语，回馈你。是什么意思？

Thank you, when you are so tired, so do not forget my promise, and it makes me feel very guilty. Thank you again, you want to have knowledge, generous to pass on to me. I must study English harder in the future, giving something back to you.