Did you try the troubleshooting section of the guide?
What's the version number indicated at the bottom of the login screen?
Did you use the batch file to patch the foreign client 3.5.5.a ?
Did you open the batch as admin user so it can effectively rename and copy files on your disk?
No other ideas come to my mind with the informations you gave.
When you log on a realm type "/join english
" to get in touch with the community members.
WoW English/Chinese glossary
(2000+ translated words) found on wow-in-chinese.jfs-web.chEnglish speakers are consolidating on the same realm for Cataclysm check this thread