成语词典 is an offline dictionary app for Android that provides a comprehensive collection of over 50,000 idioms. It offers detailed interpretations, sources, and examples for each idiom, along with more than a thousand idiom stories. This app falls under the Education & Reference category and specifically focuses on books.

With 成语词典, users can easily search for idioms or partial queries directly. Additionally, they can search for idioms by entering the first word, the tail word, or the middle word of the idiom. This flexible search feature allows for efficient and convenient access to the desired idioms.

The app also offers useful skills to enhance the user experience. Users can query the location of a keyword within an idiom, providing a deeper understanding of its usage. Moreover, by long-pressing on a query, the app randomly displays one idiom, adding an element of surprise and exploration.

Overall, 成语词典 is a valuable tool for anyone looking to expand their knowledge of Chinese idioms. Its extensive offline database, search capabilities, and additional features make it an excellent resource for both students and language enthusiasts.