# S Chinese > S Chinese (schinese.net) is an all-in-one platform for Vietnamese speakers to learn Mandarin Chinese through active practice with real videos. Core features: pinyin practice, dictation (nghe chép chính tả tiếng Trung), shadowing, AI speaking practice, an AI tutor chat, an instant dictionary with pinyin, HSK vocabulary, and spaced-repetition review. Primary audience: Vietnamese learners of Chinese. Free to start. ## Practice - [Học tiếng Trung online](https://schinese.net/vi): Overview of all features for learning Chinese online. - [About S Chinese](https://schinese.net/vi/about): Mission and approach. - [Support](https://schinese.net/vi/support): Help and contact. ## Optional - [Terms of Service](https://schinese.net/vi/terms) - [Privacy Policy](https://schinese.net/vi/privacy)