s’amuser
She told me that she was having fun.
Elle m’a dit qu’elle s’amusait bien.
I know you're having fun, but it's time to honor our agreement.
Je sais que tu t’amuses, mais il est temps de respecter notre accord.
— A Dog's Will (2000)
I hope you're having fun with your friends.
J’espère que tu t’amuses bien avec tes amis.
— Wrong Turn (2021)
Time flies when you're having fun.
Le temps passe vite quand on s’amuse.