say that again - a saying that means; I agree completely

　　stone’s throw - short distance

　　search me - an answer that means; I don’t know

　　serves one center - is deserving of

　　sleep on it - think about something for a while

　　straighten up - clean up; make tidy

　　take a break - rest for a while; stop one’s work or activity

　　think nothing of it - that’s all center

　　throw cold water on - discourage; lessen enthusiasm for

　　to say the least - at the lowest estimate

　　whole new ballgame - an entirely different situation

　　with flying colors - succeed very well

　　without a hitch - without difficulty or delay