是你吗，约翰？
Is that you, John?
是的，我就是。
Yes, speaking.
告诉玛丽，今晚吃饭我们会迟到。
Tell Mary we'll be late for dinner this evening.
恐怕我不明白。
I'm afraid I don't understand.
玛丽没告诉你吗？
Hasn't Mary told you?
她邀请了夏洛特和我今晚去吃饭。
She invited Charlotte and me to dinner this evening.
我说过六点钟会到你家，但老板要我做一些额外的工作。
I said I would be at your house at six o'clock, but the boss wants me to do some extra work.
我得留在办公室了。
I'll have to stay at the office.
我不知道什么时候能完成。
I don't know when I'll finish.
哦，顺便说一句，我妻子想知道玛丽是否需要帮忙。
Oh, and by the way, my wife wants to know if Mary needs any help.
我不知道你在说什么。
I don't know what you're talking about.
你（那边）是约翰·史密斯吧，不是吗？
That is John Smith, isn't it?
是的，我是约翰·史密斯。
Yes, I'm John Smith.
你是那位工程师约翰·史密斯，对吗？
You are John Smith, the engineer, aren't you?
没错。
That's right.
你在海外工程公司工作，对吗？
You work for the Overseas Engineering Company, don't you?
不，我不在那里工作。
No, I don't.
我是电话工程师约翰·史密斯，我正在修你的电话线。
I'm John Smith the telephone engineer and I'm repairing your telephone line.