Английский словарь американских идиом - on one's back

{adj. phr.}, {informal} Making insistent demands of you; being an annoyance or bother. * /My wife has been on my back for weeks to fix the front door screen./ * /I can't get any work done with the children on my back from morning until night./ * /Jim could do a better job if his boss weren't on his back so often./ Contrast: OFF ONE'S BACK.