put your foot down
US /pʊt jʊər fʊt daʊn/
UK /pʊt jʊər fʊt daʊn/

1.
bater o pé, impor limites
to use your authority to stop something happening
:
•
My parents finally had to put their foot down and tell me I couldn't go to the party.
Meus pais finalmente tiveram que bater o pé e me dizer que eu não podia ir à festa.
•
The teacher had to put her foot down about the excessive talking in class.
A professora teve que bater o pé sobre a conversa excessiva na aula.