MSN had some alternate meanings given for British statements. In the U.S. most of these mean just what's said but sometimes it also depends upon the circumstance and 'how' they're said and can be close to the British alternate meaning.
British Statement____________British Meaning______________________U.S. Meaning
You look amazing______________Is that garment a good idea?____________Looks like your still alive
That is a very brave proposal_____You are insane_______________________You're treading dangerous ground
Maybe_______________________No_________________________________Perhaps, but not so likely
Let's keep in touch_____________We'll likely never see each other again_____Call if you wish, we may even answer
Quite good___________________A bit disappointing_____________________Quite good
I almost agree________________I don't agree at all_____________________We don't want to argue about it -- unless you insist on eating my fist