I don't understand anything about …
Je ne comprends rien à son roman.
I don't understand anything about his novel.
Je ne comprends rien à ce que vous faites.
I don't understand anything about what you are doing.
— Andhadhun (2018)
Je ne comprends rien à ce que Tom dit.
I don't understand anything Tom is saying.
Je ne comprends rien à ce que vous dites.
I don't understand anything you're saying.
Je ne comprends rien à ce que tu dis !
I don't understand anything you're saying!
— Le Loup de Wall Street (2013)
Écoute, je ne comprends rien à tout ce que tu racontes, OK ?
Listen, I don't understand anything you're saying, OK?
— Mirage (2018)