I don't speak Japanese

endeavor, strive for, make an effort

improvement in academic ability, the arts, etc. / communication of opinions of those of lower rank to those of higher

improve, advance in one's studies / communicate opinions to those of higher rank

every day; daily

everyday life; daily life

the Japanese language

(chiefly women's speech) first person singular pronoun: I, me

as much as possible; as far as possible; to the best of one's ability; diligently

(polite) first-person singular pronoun: I, me