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 Translations Coordinators, which is subscribed to Ubuntu Translations. Matching subscriptions: Ubuntu Translations bug mail https://bugs.launchpad.net/bugs/1356757 Title: In-complete translation when installation. Status in OEM Priority Project: New Status in Ubuntu Translations: Triaged Status in “indicator-keyboard” package in Ubuntu: New Bug description: STEPS: 1. Install system by usb disk. 2. Choose Chinese as installation language. 3. Observe the top right area should translate to Chinese fully. Expect result: The top right area should translate to Chinese fully. Actual result: The ibus, wireless, power, sound indicate icon are English not Chinese. To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1356757/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-translations-coordinators Post to : ubuntu-translations-coordinators@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-translations-coordinators More help : https://help.launchpad.net/ListHelp