彼(かの)女(じょ) kanojoは wa木(き)登(のぼ)り() kinoboriが ga得(とく)意(い) tokuiである dearu。 She is good at climbing trees. Literal She [topic-は] tree-climbing [subject-が] skilled is. 木登りが得意 — 木登り (きのぼり, 'tree climbing') is a compound noun. 得意 (とくい, 'strong at, good at') is a na-adjective that, like 上手, takes が for the skill area. naturechildren~が上手/下手/うまい (good/bad at)
彼(かの)女(じょ) kanojoは wa木(き)登(のぼ)り() kinoboriが ga得(とく)意(い) tokuiである dearu。 She is good at climbing trees. Literal She [topic-は] tree-climbing [subject-が] skilled is. 木登りが得意 — 木登り (きのぼり, 'tree climbing') is a compound noun. 得意 (とくい, 'strong at, good at') is a na-adjective that, like 上手, takes が for the skill area. naturechildren~が上手/下手/うまい (good/bad at)