sa bouche
Then we open his mouth and take out the coins.
Ensuite, nous lui ouvrons la bouche et en sortons les pièces.
— Pinocchio (2019)
He never opens his mouth without complaining about something.
Il n’ouvre jamais la bouche sans se plaindre de quelque chose.
That punk Ace has been shooting his mouth off.
Ce voyou d'Ace a trop ouvert sa grande gueule.
— City of Men (2007)