第1个回答 2012-05-17
You can't talk impolitely with the old.
第2个回答 2012-05-17
You might not be impolite when you speak to the senior.
第3个回答 2012-05-17
You mustn't talk impolite with old man
第4个回答 2012-05-17
you can't impolite to say to old people
第5个回答 2012-05-17
You can't speak to the old man is not polite