この問題が本当に厄介だ

N5 この kono this N5 問題 mondai problem, question N5 本当 hontou truth, real, true N3 厄介 yakkai trouble, burden, nuisance

N4 問 mon / to.u, to.i, ton question, ask, problem N4 題 dai topic, subject, sujet N5 本 hon / moto book, present, main N3 当 tou / a.taru, a.tari, a.teru, a.te, masa.ni, masa.nibeshi hit, right, appropriate N1 厄 yaku unlucky, misfortune, bad luck N2 介 kai jammed in, shellfish, mediate

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