不由自主
bùyóu-zìzhǔ
involuntarily; can't help oneself
Every meaning
bùyóu-zìzhǔ
- involuntarily; can't help oneself
Its characters
- 不bùnot; no
- 由yóuby (marks who does something)
- 自zìfrom; since
- 主zhǔmaster; owner; host
Words with 不
Words with 由
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).