Idiom: "You can say that again"

Definition:

I agree with you

Examples:

1) You think I need a haircut?  You can say that again.  I haven’t had one in two months.

2) It’s too hot outside!  You can say that again!  I’m going to stay inside.

中文解释：http://www.youzienglish.com/main/idiom_of_the_day/you_can_say_that_again/cn/