彼の声は説得力を強めた

N5 彼 kare he N5 声 koe voice N1 説得 settoku persuasion N4 力 chikara strength, power, force N1 強 kyou strong

N3 彼 hi / kare, kano, ka.no he, that, the N3 声 sei, shou / koe, kowa- voice, voix, voz N3 説 setsu, zei / to.ku opinion, theory, explanation N3 得 toku / e.ru, u.ru gain, get, find N4 力 ryoku, riki, rii / chikara power, strength, strong N4 強 kyou, gou / tsuyo.i, tsuyo.maru, tsuyo.meru, shi.iru, kowa.i strong, fort, fuerte

N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the 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