1.you don`t say so. = slightly sarcastic way of showing that what someone has just said is already known to you
2.I`m out of sort. = not feeling right, and I'd say 'sorts'
3.DOS and DON`TS. = what you must and mustn't do
4.Give him a chocolate. = sarcastic way a "praising" someone for saying something very obvious
5.To rush about. = hurry, going here and there
