1·The line is busy—I'll try again later.
占线—我过会儿再打。
—— 《牛津词典》
2·Sorry, Sir. The line is busy.
先生，对不起，线路忙。
3·Wait a minute, the line is busy.
请等一等，电话占线。
4·W: Sorry, his line is busy.
不好意思，他占线了。
5·I'm sorry, the line is busy.
对不起，手机占线了。
6·Hold on please, the line is busy.
线路忙，请稍等，别挂断。
7·I am sorry, Sir, the line is busy.
对不起，先生，电话占线。
8·The line is busy, please dial later.
线路忙，请稍后再拨。
9·Sorry, her line is busy at the moment.
对不起，她的线路现在占线。
10·The line is busy. Please redial later.
电话线路忙，请稍后再拨。