You're a friend of Janet's, right
你是 Janet的朋友,对吧?
Didn't I see you before?
我好像见过你?
You look familiar. Have we met?
你很面熟,我好像见过你?
Nice outfit!
衣服真好看!
Can I offer you a drink?
可以请你喝杯酒吗?
May I introduce myself?
容我自我介绍。
I didn't quite catch that.
我没听清楚。
It's a Chinese name!
是中文名字。