1. to insert
2. stick in
3. pierce
4. to take part in
5. to interfere
6. to interpose

1. (verbal complement) unable to
2. to not go up; to not ascend
3. unable to

1. hand
2. (formal) to hold
3. person engaged in certain types of work
4. person skilled in certain types of work
5. personal(ly)
6. convenient
7. classifier for skill

classifiers: 雙, 隻