必不可少
bìbùkéshǎo
indispensable; essential
Every meaning
bìbùkěshǎo
- indispensable; essential
Its characters
Words with 必
Words with 不
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).