wean someone off something
phrasal verb with wean verb [ T ] uk/wiːn/ us/wiːn/
(US also wean someone from something)
使（某人）逐渐戒掉;使（某人）脱离
to make someone gradually stop using something that is bad for them
It's difficult to wean addicts off cocaine once they're hooked. 一旦对可卡因上了瘾，就很难戒掉。
The whole scheme is intended to wean people off welfare dependency. 整个计划旨在使人们摆脱对福利的依赖。