Hello, this is operator.
你好,我是電話接線員。
Whom do you wish to talk to?
你想要和誰說話?
Please hold the line.
請不要掛線。
Sorry, kept you waiting so long. You're on.
對不起,讓你等這麼長時間。請繼續。
The line is busy.
電話佔線。
No answer.
沒人接。
He is on the phone.
他正在打電話。
This telephone line is interrupted.
這個電話線被打斷。