この問題を解くのに時間がかかった

N5 この kono this N5 問題 mondai problem, question N3 解く hodoku to unfasten; answer, solve N5 時間 jikan time

N4 問 mon / to.u, to.i, ton question, ask, problem N4 題 dai topic, subject, sujet N3 解 kai, ge / to.ku, to.kasu, to.keru, hodo.ku, hodo.keru, waka.ru, sato.ru unravel, notes, key N5 時 ji / toki, -doki time, hour, temps N5 間 kan, ken / aida, ma, ai interval, space, intervalle

N4 〜のに noni Indicates unexpected contrast, connects two opposing ideas, means although, despite, even though 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 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options