name of a song of Jay Chou?

Question

There's that music video...the song is soo beautiful but the tiel is written in chinese. In the vid, he's a gangster and falls for a girl. But they broke up cuz he couldn't change his gangster habit. here's the link to the vid:
http://youtube.com/watch?v=MLbFrPF-xhM
plz someone tell me thx!!

Answer 1

http://victorly.com/Outspoken/nfblog/2006/09/19/jay-chou%E5%91%A8%E6%9D%B0%E5%80%AB-%E9%80%80%E5%BE%8Cretreat/

I think the name is Retreat

Answer 2

Oh this song's title is called "Backing up"