out of curiosity
He did it out of curiosity.
She did it out of curiosity.
Just out of curiosity.
Par curiosité, parce que ce serait dans mes cordes.
Out of curiosity, because it would be within my capabilities.
Je demande juste par curiosité.
I'm just asking out of curiosity.
Par curiosité, Miranda, tu y as mis de la menthe ?
Out of curiosity, Miranda, did you add mint to it?
— Amarcord (1973)
Je m'y suis rendu par curiosité.
I went there out of curiosity.