it's very simple...
when I installed at korean language PC-BSD, the system default locale is en_US.UTF-8.
but I have to change in korean locale for writting korean word..
each user home directory have .login_conf file...
and i insert .login_conf at this...
and then locale is en_US.UTF-8 --> ko_KR.eucKR...
how simple changed!!!
and then... i installed nabi korean input method tool..
it was located at /usr/port/koean/nabi Folder..
and I installed nabi(make install clean)
After nabi install, i creat file at /user home directory/.kde/env/nabi.sh
example my case, /home/final/.kde/env/nabi.sh
and i edit it.
then i change permission (chmod 755 nabi.sh)
and then I system rebooting....
finally, i can write korean word... in KDE
and i try SKIM setting the same progress....(skim in kde, scim in gnome input method tool)