1.If you must know I feel terrible

　　2.Actually I'm a bit under the weather

　　3.I'm hanging on

　　4.Been better

　　5.Mustn't grumble

　　6.Can't complain

　　7.Not bad

　　8.So-so

　　9.Fair to middling

　 10.I'm better than I deserve

　 11.I'm OK and you?

　 12.Fine, thank you for asking

　 13.Fit as a fiddle

　 14.Right as rain

　 15.I'm much better now that you are here

　 16.Better than ever

　 17.I'm great, feeling on top of the world

　 18.Never felt better

　 19.I feel like a million bucks

　 20.I'm just wonderful