3dw/zh-en

AI Summary: The issue requests a site-wide standardization of all Chinese audio pronunciations to a Taiwanese accent. It specifically highlights the "what_is_this" page as an area where the accent needs to be addressed. This task involves identifying, evaluating, and potentially re-recording or adjusting all relevant audio content to ensure consistent adherence to the Taiwanese accent across the entire platform.

AI Summary: This issue proposes a significant website restructuring project, aiming to reorganize content around a linguistic hierarchy of "character," "word," and "sentence." It involves updating the sidebar, homepage, and bilingual flashcards to reflect these new categories, including adding new data fields for sentence structure and enhancing flashcard search functionality with type-based filtering.