How we cite our quotes: All quotations are from Titanic.
Quote #7
CAL: Dawson! That's amazing! You could almost pass for a gentlemen!
Cal manages to insult Jack while complimenting him, of course. Sure, he seems impressed at how well Jack cleans up…but still says that Jack can only "almost" pass for a gentleman.
Quote #8
ROSE: They assumed he was one of them—heir to a railroad fortune, perhaps. New money, obviously, but still a member of the club.
In voiceover, Rose describes how the posh types reacted to Jack's appearance among them. Apparently, he passed quite nicely for a gentleman (Cal's little joke aside).