lay down the law

US /leɪ daʊn ðə lɔː/
UK /leɪ daʊn ðə lɔː/
"lay down the law" picture
1.

menetapkan undang-undang, memberi arahan

to tell people what they must do, without caring about their opinions

:
The new manager immediately laid down the law about punctuality.
Pengurus baru segera menetapkan undang-undang mengenai ketepatan masa.
My parents always lay down the law when it comes to my curfew.
Ibu bapa saya sentiasa menetapkan undang-undang apabila tiba giliran saya.