电话场景：

operator 接线员

Extension six two two six, please. 请转6226。

The line is bad/ busy / engaged. It kept a busy line. 电话占线。

long distance call 长途电话

collect call 对方付费的电话

put through 接通电话

hold on / up /Hold the line, please. 请稍等别挂断。

Hello! This is …speaking. 您好，我是…

Who’s that speaking? 您是谁?

call/ telephone/ ring/ phone sb. /give sb. a call/ ring打电话

I’ll call back later / again. I’ll ring him / her up again.回电话

I couldn’t get through.打不通

Sorry, I’m afraid you have the wrong number. 对不起，您拨错号啦。