Unable to install locales ( Broken packages)

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http://askubuntu.com – I was trying to install Chinese(traditional) language pack, but it comes out an unmet dependency error. I have tried sudo apt-get install -f then sudo dpkg --configure -a and sudo apt-get update using the official server already, but the problem still exists. These show up in the terminal: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been create (HowTos)