I doubt itça m'étonnerait
No way!pas possible!
that's ridiculous!n'importe quoi!
to be bornnaître
to becomedevenir
to comevenir
to come backrevenir
to diemourir
to enterentrer
to go back (home)rentrer
to go downdescendre
to go outsortir
to go upmonter
to leavepartir
to returnretourner
to stayrester
yeah, right!mon oeil!
you're joking!tu plaisantes!
you're kidding!c'est pas vrai!