I'm not finished with you
I still have more to say to you; this conversation or lecture is not over. Usually expresses the speaker's anger or frustration. Get back here, young lady, I'm not finished with you! You're grounded for a month.
I'm not finished with you.
I still have more to say to you. Bill started to turn away when he thought the scolding was finished. "I'm not finished with you," bellowed his father. When the angry teacher paused briefly to catch his breath, Bob turned as if to go. "I'm not finished with you," screamed the teacher, "Don't leave here until I say you can!"