Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
Listen to pronunciation
Example
雖然市場競爭激烈，綠色能源產業仍方興未艾，吸引許多新創公司投入。
虽然市场竞争激烈，绿色能源产业仍方兴未艾，吸引许多新创公司投入。
Although competition is fierce, the green-energy industry is still in a vigorous growth phase and is attracting many startups.
Usage Notes
Describes a new movement, field, or industry that has begun to grow and still has strong momentum. It is an idiom, not a literal description of a person.
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.
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.