この件についてちゃんと話し合おう

N5 この kono this N3 件 ken case, matter, item, issue N3 ちゃんと chanto properly, correctly, carefully N5 話 hanashi talk, story, speech

N3 件 ken / kudan affair, case, matter N5 話 wa / hana.su, hanashi tale, talk, parler N3 合 gou, gatsu, katsu / a.u, -a.u, a.i, ai-, -a.i, -ai, a.wasu, a.waseru, -a.waseru fit, suit, join

N4 〜について ni tsuite Indicates the topic or subject being discussed, attaches to a noun, means about or regarding 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