1.Is everything ready for the big day?

big day是指大日子，重要的事情。

2.Thank you very much for collecting me.

对表示为自己做的事情表示感谢。

3.It' s a pleasure. Don' t mention it.

这都是回答别人感谢的话。也可以说：It's my honor.Never mind.

4.It is good of you to visit us.Thank you for sparing the time. I know you have a busy itinerary.

对别人的到访表示感谢。

5.I enjoy coming to Britain. And I am looking forward to my visit to Bibury Systems.

表达自己对此行的感受和期望。

6.How many people do you employ?

询问别人公司员工的人数。

7.But we take on casual staff when we need them.

casual staff临时员工。