Using FCITX in en locale environment

FCITX relies on zh_CN locale. If you want use it in an en locale environment, try this way below:

$ LANG=zh_CN.UTF-8 XMODIFIERS=@im=fcitx fcitx
$ LANG=zh_CN.UTF-8 gedit

Then you can input Chinese in an English system.
This method works with Ubuntu 5.10, it might works with other distros.