Sottaku logo Sottaku
Hanzi

hard-working/industrious

Hanzi

Pinyin

Bopomofo

Jyutping

zi1

Example Vocabulary

孜孜不倦

zi1'zi1'bu4'juan4

孜然

孜孜

zi1'zi1

孜孜以求

甘孜

甘孜州

拉孜

柯爾克孜語

江孜

達孜

Sottaku

About Sottaku

Sottaku is an app for learning a growing range of Asian and European languages with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across every supported language.