1. Thank you for your invitation, but I am very busy now and cannot join your chat. I suggest that we chat another day so that we can communicate more happily.

2. Thank you for your invitation, but I have some personal matters that need to be dealt with and I cannot chat with you for the time being. I will resolve it and reply to you as soon as possible.

3. I'm sorry, I'm not used to adding strangers, please understand.

4. I suggest you find other ways to make new friends. Thank you for your understanding.

5. I’m sorry, my mother doesn’t let me not add other people’s WeChat messages.

6. Sorry, my WeChat setting does not allow anyone to add me, so you can’t find me through your circle of friends. Sorry!

7. Thank you very much for your invitation. I appreciate your kindness very much, but I must decline this invitation. Please understand my position and accept my apology. I hope to have the opportunity to make up for this time in the future. No promise.

8. Thank you for your message, but I have been busy recently and cannot reply to messages often.

9. I am very grateful for your invitation. I feel very honored by your kindness. However, I must decline this invitation. I have some personal matters that need to be dealt with. I hope you can understand and accept me. decision.

10. I sincerely thank you for your invitation. It is really a kind intention. However, I must decline for personal reasons. I hope you can understand my decision and accept my decline.