cant install chinese type-in

idealistic

i'm in ubuntu linux
i followed the instructions on
http://www.ubuntu.org.cn/support/documentation/zhfaq/ime

But it seems that the first step was failed.

Please HELP!

"
yjc@ubuntu:~$ sudo apt-get install scim scim-gtk2-immodule scim-modules-socket scim-modules-table scim-pinyin scim-tables-zh scim-input-pad
Password:
E: 无法获得锁 /var/lib/dpkg/lock - open (11 资源暂时不可用)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
yjc@ubuntu:~$
"

idealistic

And this Linux have only one user, yjc is root