不必
búbì
need not; not necessarily
Every meaning
bùbì
- need not; not necessarily
In the Library
不必每句话都听懂，也能继续聊。
从那以后，人们不必再把字写在又重又占地方的竹简上了。
四大发明是谁说的？ · Who named the Four Great Inventions of China? · HSK 6
Its characters
Words with 不
Words with 必
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).