Did you create an alt on this account or anything? Just put the name of an alt you created if you can. Otherwise look in the screenshot folder if by anychance you have a screenshot with the name of your char on it.
If none of these two solutions works try to contact netease customer service(you might need someone with good chinese knowledges).
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