Put aliases like the following in your .profile file.
alias chn "export LANG=zh; /bin/stty cs8 -istrip defeucw" alias chn_GBK "export LANG=zh.GBK; /bin/stty cs8 -istrip defeucw" alias asc "export LANG=C; /bin/stty cs7 istrip defeucw" alias chn_UTF-8 "export LANG=zh.UTF-8; /bin/stty cs8 -istrip defeucw"