A：This must be your sister, what a pretty girl!

这位准是你姐姐，真漂亮。

B：Pretty! She won beauty contest in her college. Hi, Tracy,this is my friend,Bill.

漂亮!她在大学时是校花.喂,特蕾西,这是我朋友比尔.

C：Hello,Bill,nice to see you.

你好，比尔，很高兴见到你。

A：Hello,nice to meet you too.

你好，见到你我也很高兴。