不足 | bù zú | insufficient / lacking / deficiency / not enough / inadequate / not worth / cannot / should not | |
不能 | bù néng | cannot / must not / should not | |
不可 | bù kě | cannot / should not / must not | |
不该 | bù gāi | should not / to owe nothing | |
不合 | bù hé | to not conform to / to be unsuited to / to be out of keeping with / should not / ought out |