第一句：I'm afraid I would like to speak to Mr. Black right now.

　　我想现在和布莱克先生说话。

　　A: Could you connect this call with Mr. Black, please?

　　麻烦你接布莱克先生，好吗？

　　B: I am sorry, Mr. Smith. Mr. Black is now in a meeting. May I have your number and ask him to call back later?

　　对不起，史密斯先生，布莱克先生正在开会，请告诉我你的电话号码，我会让他稍后给你打电话，好吗？

　　A: I'm afraid I would like to speak to Mr. Black right now.

　　我想现在和布莱克先生说话。

　　第二句：I have got an urgent matter to discuss with Mr. Black without delay.

　　我有紧急事情与布莱克先生商量，不能拖延。

　　A: I have got an urgent matter to discuss with Mr. Black without delay.

　　我有紧急事情与布莱克先生商量，不能拖延。

　　B: OK. Then, would you please hold the line? Mr. Smith, the line is through.

　　好的，请您别挂机。史密斯先生，电话接通了。

　　A: Thank you for your kind assistance, Ms. White.

　　非常感谢你的帮助，怀特小姐。

　　其他表达法：

　　He is not available right now.

　　他现在不便马上接电话。

　　He is with someone right now.

　　他现在正在打电话。

　　It's urgent, please.

　　事情紧急。

　　We need a direct talk.

　　我们需要直接对话。