新しい制度の開始に際して説明会が開かれた

N5 新しい atarashii new N3 制度 seido system, institution N3 開始 kaishi start, beginning, commencement N3 際 sai occasion, time, circumstances N4 説明 setsumei explanation, clarification

N4 新 shin / atara.shii, ara.ta, ara-, nii- new, nouveau, nuevo N3 制 sei system, law, rule N4 度 do, to, taku / tabi, -ta.i degrees, occurrence, time N4 開 kai / hira.ku, hira.ki, -bira.ki, hira.keru, a.ku, a.keru open, unfold, unseal N4 始 shi / haji.meru, -haji.meru, haji.maru commence, begin, commencer N3 際 sai / kiwa, -giwa occasion, side, edge N3 説 setsu, zei / to.ku opinion, theory, explanation N4 明 mei, myou, min / a.kari, aka.rui, aka.rumu, aka.ramu, aki.raka, a.keru, -a.ke, a.ku, a.kuru, a.kasu bright, light, clair N4 会 kai, e / a.u, a.waseru, atsu.maru meeting, meet, party

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also 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 N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options