The strings shown in the first picture is already translated long ago (before trusty's initial release). So the bug could be lying in ubiquity or indicator-keyboard.
https://translations.launchpad.net/ubuntu/trusty/+source/indicator- keyboard/+pots/indicator-keyboard/zh_CN/+translate ** No longer affects: ubuntu ** Changed in: ubuntu-translations Importance: Undecided => Medium ** Changed in: ubuntu-translations Status: New => Triaged ** Also affects: indicator-keyboard (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1356757 Title: In-complete translation when installation. To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1356757/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs