Ubuntu can be themed. Go to System, Preferences, Appearance. You can
download themes from Gnome-look.org and art.gnome.org. Just search for OS/X
or snow leopard, etc. You can use AWN to recreate the look and feel of the
OS/X bottom panel if you have compositing or use gnome-panel or kool dock.
They are in the repositories.

When you say that you would like simplified Chinese to work what have you
done to get it to work and what is not working?