沉睡
chénshuì
to sleep soundly; to be fast asleep
Every meaning
chénshuì
- to sleep soundly; to be fast asleep
- (fig.) dormant
Its characters
Words with 沉
Words with 睡
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).