clamp down
noun(clamp-down)
the act or action of making regulations and restrictions more stringent
clamp down
verb(clamp-down)
to impose restrictions : crack down
clamp down
phrasal verb(clamp-down)
to try harder to punish (people who are doing something that is not legal or proper)
clamp down
phrasal verb(clamp-down)
to work harder to stop (a crime)