Yeah I had the same problem, addons for 4.2 seems to have some many incompabilities that your game will run at 1fps in some occasions. Check on curseforge and wowace for the 4.1 versions of your addons and it will solve the problem.
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