In order to express that the result is not attained or cannot be attained, the following structure is used:
Verb + 不bù + complement of result
| 我 | 看 | 不 | 完 | 。 |
| wǒ | kàn | bù | wán | _ |
| I | look | not | complete | _ |
| I, me, my | look, read | no, not, after negative question: yes | finish | 。 |
| I cannot finish reading (it). | ||||
| 我 | 看 | 不 | 懂 | 。 |
| wǒ | kàn | bù | dǒng | _ |
| I | look | not | understand | _ |
| I, me, my | look, read | no, not, after negative question: yes | know, understand | 。 |
| I don't understand. | ||||