Excuse me, May I come in?
Sure, come on in.
Excuse me, Can I come in?
Please go away. Step aside.
Excuse me, Where is the to toilet?
I‘m sorry.
Excuse me, Where is the toilet?
I‘m sorry.But I didn‘t mean it.对不起，我不是故意的。
原文：http://7883830.blog.51cto.com/7873830/1613798