cair bem = becoming (adj): Death looks becoming on you (cair bem). That shirt's very becoming on you.
dar-se bem = fare well (v+adj): Audiences have fixed expectations of big-canvas movies, and those who try
to subvert them do not fare well.= não se dão bem (se dar bem / dar-se bem)
fazer bem = do well (v+adj): A little planning ahead does
you well (fazer bem)