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。
