1. national language
2. Japanese language (esp. as a school subject in Japan)
3. one's native language, mother tongue
4. native Japanese words (as opposed to loanwords and Chinese-derived words)
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although