A: Is Mr. Zhang there, please? 请问张先生在吗?
B: Sorry. I can't hear you. Would you please speak a little louder? 对不起。我听不清楚。请说大声一点好吗?
A: I said, is Mr. Zhang there? 我是问,张先生在吗 ?
B: Mr. Smith, the line is bad. Don't hang up, please. I'll have the call transferred to another line. 史密斯先生,电话线路不清楚。请别挂,我把电话转到 另一条线路上去。