彼女は心理学を専攻して人間の心に詳しくなった

N5 彼女 kanojo she N3 心理 shinri psychology, mentality, mind N4 心 kokoro heart, mind, feeling N3 学 gaku learning, study, knowledge N3 専攻 senkou major, specialization, field of study N3 人間 ningen human being, person, humanity

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N4 心 shin / kokoro, -gokoro heart, mind, spirit N4 理 ri / kotowari logic, arrangement, reason N5 学 gaku / mana.bu study, learning, science N2 専 sen / moppa.ra specialty, exclusive, mainly N1 攻 kou / se.meru aggression, attack, criticize N5 人 jin, nin / hito, -ri, -to person, être humain, personne N5 間 kan, ken / aida, ma, ai interval, space, intervalle

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also 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 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information