Hot answers tagged word-requests
Alter words: 谢谢：多谢，感谢，谢恩（古代臣子百姓对君王说的） 对不起：抱歉，有愧，歉仄 As your case, 對不起現在才回覆您。 謝謝你的幫助！ rephrase: （非常）抱歉现在才回复您。 （十分）感谢您的帮助！
You should use 您 in 謝謝你的幫助！, not 你 That will be more polite
List your good points. Meaning instead of outright rejecting this person's offer, you say, "I already have such and such already," you get the picture. Emphasize that you are very well off, no need for gifts and such. So if someone offered a gift to you, you could say, "Thank you, but I have a lot of such and such." And the good ol' "I'm on a diet" works ...
You can write 非常感谢...但很抱歉....
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