mouth off
US /maʊθ ɔf/
UK /maʊθ ɔf/
1.
responder mal, hablar con insolencia
to speak in an insolent or disrespectful way, especially to someone in authority
:
•
He got fired for mouthing off to his boss.
Lo despidieron por responderle mal a su jefe.
•
Don't mouth off to your elders.
No le respondas mal a tus mayores.