Help someone back who has helped you
لطف کسی را جبران کردن
Ali: Sue, would you please give me a hand with my math homework? Sue: Sure, I’ll do it if you promise to help me with the housework later. Scratch my back and I’ll scratch yours.
You scratch my back, I’ll scratch yoursspoken used to say that you will help someone if they agree to help you
you scratch my back and I'll scratch yours
used to tell someone that if they help you, you will help them
you scratch my back, I'll scratch yours
People say 'You scratch my back and I'll scratch yours' to mean that one person helps another on condition that the second person helps them in return.