rein sth in/back
phrasal verbwithreinverbuk/reɪn/us
(alsorein back on sth)tocontrolsomething andstopitincreasing:
Consumerstendtoreinintheirspendingin arecession.
Some of theworstWallStreetabuseshave been reined in.
We need toreinback onexpenditurein the nextfinancialyear.