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Worksheets
Worksheet Generator
Create writing practice sheets from any Chinese text or vocabulary list.
Dictation Worksheet
Write Chinese characters from pinyin and English meanings.
Chinese Radicals
Learn characters by radical — every family comes with a printable practice PDF.
Flashcards
Review Online
Practice your cards with spaced repetition
Custom Decks
Create a deck from your own words
HSK Decks
HSK 1–9 vocabulary
Textbook Decks
IC, New HSK Course & NPCR
Characters
Textbook
Integrated Chinese
4 volumes · 40 lessons
New HSK Course
3 volumes · 48 lessons
New Practical Chinese Reader
5 volumes · 60 lessons
HSK 3.0
HSK Word Lists
Official vocabulary, levels 1–9
HSK Writing
The 1,200 official handwriting characters
Practice
Stroke Order Practice
Trace or write characters with instant feedback
Handwriting
Write freely and recognize your handwriting
Hanzi Rush
A Chinese handwriting recall game
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凹凸
凹凸
凹凸
āo
tū
concave or convex
2 characters
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Worksheet
写
How 凹凸 is written
凹
凸
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Practice
āo
concave
5 strokes
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▶ Play stroke order
Practice
tū
to stick out
5 strokes
Full guide →
凹凸
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