彼女は集中して作業を続けながら一つ一つ丁寧に仕上げていった

N5 彼女 kanojo she N3 集中 shuuchuu concentration, focus, centralization N3 作業 sagyou work, operation, task N5 ながら nagara while N5 一つ hitotsu one thing, one item N4 丁寧 teinei polite, courteous, careful N1 仕上 shiage end, finishing touches

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N4 集 shuu / atsu.maru, atsu.meru, tsudo.u gather, meet, congregate N5 中 chuu / naka, uchi, ata.ru in, inside, middle N4 作 saku, sa / tsuku.ru, tsuku.ri, -zuku.ri make, production, prepare N4 業 gyou, gou / waza business, vocation, arts N3 続 zoku, shoku, kou, kyou / tsuzu.ku, tsuzu.keru, tsugu.nai continue, series, sequel N5 一 ichi, itsu / hito-, hito.tsu one, one radical (no.1), un N1 丁 chou, tei, chin, tou, chi / hinoto street, ward, town

N4 〜ながら nagara Indicates two simultaneous actions by the same subject, attaches to the verb stem, means doing one thing while doing another N4 〜ながらも nagara mo Indicates contrast between two ideas, attaches to verb or adjective stem, means although or despite N4 〜続ける tsuzukeru Indicates continuation of an action over time, attaches to the verb stem, means continue doing N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information