B-5:be all ears 全神贯注地听
A:Jack, what are you doing? Listen to me carefully, please.
A: 杰克,你在做什么?请注意听。
B: Why, I am all ears.
B:怎么啦,我在全神贯注地听呢。
A: That's all right, Can you answer my question?
A: 那很好。你能回答我的问题吗?
B: Certainly, just go ahead.
B:当然啦,请问吧。