2--Fine, thanks. And you?
 
1--Yes, I am all right I don't think you have met Li Lei, have you? Li Lei, this is Lucy.
 
3--Hello, Lucy. In fact, we have already met.
 
2--Have you?
 
3--Yes, we both went to your birthday party last weekend.
 
2--Really? sorry, I did't notice you.
 
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注解：
 
1.In fact事实上       
2.already已经      
3.notice注意

===================================
译文：
 
1--嗨，露西！你好吗？
2--很好，谢谢。你呢？
1--我挺好。我想你没有见过李磊，对吧？李磊，这是露西。
3--你好，露西。实际上我们已经见过面了。
2--是吗？
3--是的，我们都参加了上周末你的生日宴会。
2--真的？对不起，我没注意到你。