Clamp down

(PW) become stricter

Because he came home from the party so late, his father said he will start to clamp down on his curfew.

(MW)

Main Entry: clamp·down

Pronunciation: \ˈklamp-ˌdau̇n\

Function: noun

Date: 1940

: the act or action of making regulations and restrictions more stringent accounts, bank loans, and other inflationary influences — Time>

(free)

clamp down