Ne savez-vous pas de français?
You've got some nerve to think you have a vast knowledge of languages.
I don't think that, I just say it. Don't be
sth, make other people believe you are. It's easier.
Actually I'm a fat 49-year-old Welsh woman who can barely speak any English and copied and pasted all she posted on other languages.
I just happen to speak English adroitly. Isn't that something lovable to behold?
It's a lot better than Zabaleta's serve motion.