“反复灌输”可以翻译为“instill repeatedly” 或者 “drill into (someone) repeatedly” 。
“instill repeatedly” 强调持续、多次地将某种观念、知识等植入他人心中 。例如:We need to instill positive values repeatedly in children.(我们需要反复向孩子们灌输积极的价值观。)
“drill into (someone) repeatedly” 侧重于像用钻头钻孔一样,通过反复的方式让某些内容深入他人脑海。例如:The teacher drilled the grammar rules into the students repeatedly.(老师反复向学生灌输语法规则 。)