1. to learn
2. to study
3. to imitate
4. science
5. -ology

1. front
2. forward
3. ahead
4. first
5. top (followed by a number)
6. future
7. ago
8. before
9. BC (e.g. 前293年)
10. former
11. formerly

1. team; class; grade
2. (military) squad
3. work shift
4. classifier for groups of people and scheduled transport vehicles

classifier: 個