hammer something into someone
phrasal verb with hammer verb uk/ˈhæm.ər/ us/ˈhæm.ɚ/
(also hammer something in)
反复向（某人）灌输
to force someone to understand something by repeating it a lot
I always had it hammered into me that I mustn't lie. 我总是反复对自己说不能撒谎。