It's good / okay to... / is fine

a surname

A class representative, in the context of an elementary school or junior high school.

(music) a pianoforte (piano) / (music) pianoforte (playing softly, followed immediately by playing loudly)

expert, special

academy (specialized school), vocational school

someone who is only knowledgeable within the field in which they specialize; a fachidiot

outside of one's field of expertise

specialty store; boutique

頂点: summit, vertex, apex