scratch (someone's) back
делать взаимные услуги, "рука руку моет"
"You scratch my back and I'll scratch yours," were the relations between the employees in the company.
- turn one's back on (someone or something)
- back and forth
- back up (someone or something)
- on (someone's) back
- back in circulation
- behind one's back
- give (someone) the shirt off one's back
- You scratch my back and I'll scratch yours.
- back the wrong horse
- put one's back into (something)
- cover one's back
- behind (someone's) back
- back on one's feet
- get off (someone's) back
- back to basics