半小时前我在这里买了两本很贵的词典，可是忘了把它们带走。
I bought two expensive dictionaries here half an hour ago, but I forgot to take them with me.
先生，是谁接待您的？
Who served you, sir?
站在柜台后面的那位女士。
The lady who is standing behind the counter.
您买的是哪些书？
Which books did you buy?
柜台上的那些书。
The books which are on the counter.
卡罗琳，半小时前你接待了这位先生吗？
Did you serve this gentleman half an hour ago, Caroline?
他说他就是买了这些书的那位男士。
He says he's the man who bought these books.
我记不起来了。
I can't remember.
我接待的那位男士当时戴着一顶帽子。
The man who I served was wearing a hat.
先生，您有帽子吗？
Have you got a hat, sir?
是的，我有。
Yes, I have.
请您把它戴上，好吗？
Would you put it on, please?
好的。
All right.
卡罗琳，这就是你接待的那位男士吗？
Is this the man that you served, Caroline?
是的。
Yes.
我现在认出他来了。
I recognize him now.