Glad to meet you.很高兴遇见你
How are you?
Happy New Year.新年快乐
Can you excuse me?
Good Luck to you!
Have a good time!玩得开心!或
Good Luck!
It's very kind of you.你真好
Why?为什么
What?(有)什么?
Open the door,please.请开门
I'm later.我来晚了
May I come in?我能进去吗?
Come early next time.下次早点来
How many is the stamp?这邮票有多少张?
What are you doing?你在干嘛呢?
How many stamps are there?这有多少张邮票?
How much is the stamp?这邮票多少钱?