彼女の難題に挑戦することにした

N5 彼女 kanojo she N5 彼 kare he N3 難 nan difficulty, hardships, defect N3 題 dai title, topic, subject, question N3 挑戦 chousen challenge, defiance N5 する suru do, perform, try

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N3 難 nan / kata.i, -gata.i, muzuka.shii, muzuka.shii, mutsuka.shii, -niku.i difficult, impossible, trouble N4 題 dai topic, subject, sujet N1 挑 chou / ido.mu challenge, contend for, make love to N3 戦 sen / ikusa, tataka.u, onono.ku, soyo.gu, wanana.ku war, battle, match

N4 〜ことにする koto ni suru Indicates a voluntary decision made by the speaker or group, attaches to a verb, means decide to do N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase