長年の知恵がこの判断を支えている

N5 年 toshi year, age N3 知恵 chie wisdom, practical intelligence, idea N5 この kono this N3 判断 handan judgment, decision N5 ている te iru be doing

N5 長 chou / naga.i, osa long, leader, superior N5 年 nen / toshi year, counter for years, année N4 知 chi / shi.ru, shi.raseru know, wisdom, savoir N1 恵 kei, e / megu.mu, megu.mi favor, blessing, grace N3 判 han, ban / waka.ru judgement, signature, stamp N3 断 dan / ta.tsu, kotowa.ru, sada.meru severance, decline, refuse N3 支 shi / sasa.eru, tsuka.eru, ka.u branch, support, sustain

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context 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 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase