| 不能 | bu4 neng2 | to be unable |
| 不会 | bu4 hui4 | not able |
| 无法 | wu2 fa3 | unable |
| 不成 | bu4 cheng2 | won't do |
| 不了 | bu4 liao3 | unable to |
| 不住 | bu4 zhu4 bu2 zhu4 | constantly |
| 未能 | wei4 neng2 | cannot |
| 怕 | pa4 | perhaps |
| 没法 | mei2 fa3 | no way |
| 发热 | fa1 re4 | feverish |
| 不忍 | bu4 ren3 | disturbed |
| 用不着 | yong4 bu4 zhao2 | not need |
| 忍不住 | ren3 bu2 zhu4 | to be unable to stand |