You scratch my back and I'll scratch yours.
обоюдные услуги, "рука руку моет"
This politician is known for his attitude of 'you scratch my back and I'll scratch yours'.
- put one's back into (something)
- break the back of (something)
- behind one's back
- on (someone's) back
- back and forth
- back on one's feet
- give (someone) the shirt off one's back
- cover one's back
- off one's back
- back to basics
- get off (someone's) back
- back out (of something)
- back the wrong horse
- pat on the back
- back to the salt mines