擅自
shànzì
without permission; on one's own authority
Every meaning
shànzì
- without permission; on one's own authority
Its characters
- 擅shànto be good at (as in 擅长)
- 自zìfrom; since
Words with 擅
Words with 自
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).