During November 2024, Iu Hoay enhanced Chinese localization in the activeadmin/activeadmin repository by updating zh-CN UI translations for toggles, navigation, sections, and user menus. Working primarily with YAML and leveraging internationalization skills, Iu aligned the locale with new v4 translation keys, improving consistency and user experience for Chinese-speaking administrators. The work focused on expanding translation coverage rather than bug fixes, addressing language gaps and laying a foundation for future internationalization efforts. Through Git-based collaboration and localization engineering, Iu’s contributions improved maintainability and set the stage for ongoing updates, demonstrating depth in targeted, foundational internationalization work.