what ... about
C'est ce dont nous avons toujours rêvé.
This is what we’ve always dreamed of.
C'est ce dont je voulais te parler.
That's what I wanted to talk to you about.
C'est ce dont je te parlais tout à l'heure, au foot.
That's what I was telling you about earlier, at soccer.
— Plus fort que moi (2025)
That's what the film is about.
That's what I remember.
C'est ce dont nous parlions hier.
That's what we were talking about yesterday.
C'est ce dont je voulais vous parler.
This is what I wanted to talk to you about.
That's what she needs.
C'est ce dont toutes les mères parlent.
That’s what all mothers talk about.
— La Femme de ménage (2025)