mouth off

US /maʊθ ɔf/
UK /maʊθ ɔf/
"mouth off" picture
1.

تطاول بالقول, تكلم بوقاحة

to speak in an insolent or disrespectful way, especially to someone in authority

:
He got fired for mouthing off to his boss.
طُرد من العمل بسبب تطاوله بالقول على رئيسه.
Don't mouth off to your elders.
لا تتطاول بالقول على كبار السن.