lay down the law
US /leɪ daʊn ðə lɔː/
UK /leɪ daʊn ðə lɔː/
1.
impor a lei, dar ordens
to tell people what they must do, without caring about their opinions
:
•
The new manager immediately laid down the law about punctuality.
O novo gerente imediatamente impôs a lei sobre pontualidade.
•
My parents always lay down the law when it comes to my curfew.
Meus pais sempre impõem a lei quando se trata do meu toque de recolher.