找一个合适的时间和地点和对方谈。 说明你不希望被打扰的原因。 保持冷静。 别找借口。 诚实，但别伤人。 听对方说话。 确保对方理解你的用意。 谢谢对方花时间和你谈话。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If you want to tell someone who means well to leave you alone, then it’s important to find a nice, quiet place to do it. Whether the person is someone who has a crush on you or just an annoying classmate, if you feel comfortable around the person, then you should try to tell him or her in a quiet place where you can be alone without the threat of someone coming in and asking what’s happening. You should also find a time when the person you want to talk to isn’t distracted, busy, or stressed out,