"Must not" • Chinese-English Dictionary
| 不能 | bù néng | cannot / must not / should not |   |
| 不要 | bù yào | don't! / must not | |
| 不得 | bù dé | must not / may not / not to be allowed / cannot | |
| 不可 | bù kě | cannot / should not / must not | |
| 不容 | bù róng | must not / cannot / to not allow / cannot tolerate | |
| 不许 | bù xǔ | not to allow / must not / can't | |
| 使不得 | shǐ bu de | cannot be used / must not (do sth) / unacceptable | |
| 覅 |  fiào | contraction of 勿要 / must not / please don't | |
| 母汤 | mǔ tāng | (Tw) (slang) don't / must not / won't do (from Taiwanese 毋通, Tai-lo pr. [m̄-thang], similar to Mandarin 不要[bu4yao4] or 不行[bu4xing2]) | |
| 嫑 | biáo | (dialect) don't / must not / (contraction of 不 / and 要) | |
