Aisten to me!i'll tell you a very important thing.
B:OK,i'm all ears.
A:You know i'm a football fan,so ,i'll be late for tomorrow's meeting.
B:I beg you pardon,i can't follow you.eh,what do you mean?
thanks for pointing out my mistake!
that's all because of my carelessness.
i'll take everything seriously as possible as i can in the future.
all in all,thanks!