leave (someone or something) alone
To not interact with or bother someone or interfere with something. Come on, she didn't do anything to you. Leave her alone. At a certain point, you have to just leave the painting alone instead of continuing to make changes to it. I know you're trying to help, but I'd really rather just be left alone right now.
Leave me alone!
Stop harassing me!; Don't bother me! John: You did it. You're the one who always does it. Bill: Leave me alone! I never did it. Fred: Let's give Bill a dunk in the pool. Bill: Leave me alone!