1. What a pleasant surprise! 真是个惊喜啊!

2. What brings you here today? 今天什么风把你吹来啦?

3. How's everything going? 一切都好吗?

4. Hello, there, what a coincidence! 嗨，你好，可真巧啊!

5. Well, look who's here! 嘿，看谁来了!

6. What's you up to these days? 你最近在干什么?

7. It's really nice to see you again. 再见到你真好!

8. Fancy meeting you here! Small world, isn't it? 真想不到在这儿见到你，世界真小啊！不是吗?

9. The very person I was after. 我正要找你呢。

10. What keeps you so busy lately? 你最近忙什么呢?