What are euphemisms for not going to work?

1. This job has a high technical content, so it’s better to hire someone else.

2. This job requires more responsible people. I have neglected my duty. Please ask someone else. ?

3. This job requires more meticulousness and patience. I'm not very good at it. Please ask someone else.

4. I feel that my abilities are limited and this job is too difficult. Please ask someone else.

5. This job requires careful people, so please ask someone wisely.

6. My ability is still not up to par for this job. I hope I can find someone more suitable.

7. After working for so long, I feel that I am not of much help to the company. Please ask someone else.

8. The company is developing so fast. I feel like I can’t keep up. Please ask someone else. ?

9. All aspects of the company are maturing. I feel that I am holding the company back. Please ask someone else.

10. I feel that I am learning knowledge too slowly. The company I can't accept the knowledge in a short time, please ask Gao Ming.