come down on someone/something
phrasal verb with come verb uk/kʌm/ us/kʌm/ came | come
严厉处罚;斥责;训斥
to punish or criticize a person or activity very strongly
They're coming down heavily on people for not paying their licence fees. 他们对不缴纳执照费的人处以重罚。
The authorities plan to come down hard on truancy in future. 当局计划将来严惩逃学者。