1. to practice
2. exercise
3. drill
4. practice

classifier: 個

1. (bound form) root; stem
2. (bound form) origin; source
3. (bound form) one's own; this
4. (bound form) this; the current (year etc)
5. (bound form) original
6. (bound form) inherent
7. originally; initially
8. capital; principal
9. classifier for books, periodicals, files etc