我々はこの問題に取り組む必要がある

N3 我々 wareware we, ourselves, our group N5 この kono this N5 問題 mondai problem, question N1 取り組む torikumu to tackle, to engage in a bout, to come to grips with N4 必要 hitsuyou necessary, need

N1 我 ga / ware, wa, wa.ga-, waga- ego, I, selfish N4 問 mon / to.u, to.i, ton question, ask, problem N4 題 dai topic, subject, sujet N3 取 shu / to.ru, to.ri, to.ri-, tori, -do.ri take, fetch, take up N3 組 so / ku.mu, kumi, -gumi association, braid, plait N3 必 hitsu / kanara.zu invariably, certain, inevitable N3 要 you / i.ru, kaname need, main point, essence

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information