Core Sentence: You don’t have to rub it in. I already feel bad enough as it is.
Rub it in: When American people say “You don’t have to rub it in. I already feel bad enough as it is.”, they are expressing “Don’t pile on. I’ve felt bad enough.”, “You make it worse, and I am upset enough.”
Benjamin: I know the boss blame you again. If I were you, I would teach him a lesson.
Shirley: You don’t have to rub it in. I already feel bad enough as it is.
(1) I didn’t expect that you would laugh at me!
(2) Don’t bother me and just leave me alone.
(3) Please get away from me if you come to see my jokes.
(4) Will you keep your mouth shut?
1. rub vt. (to make something press against something else and move it around)
He rubbed and rubbed but couldn’t seem to get clean.
When object rub against each other, static electricity is produced.
Gently rub into the skin until absorbed.
2. pile on
She will pile on the agony when she describes her visits to the dentist.
Pile on more coal; the fire is going out.