あいにく彼は会議中で手が離せない

N3 あいにく ainiku unfortunately, unluckily N5 彼 kare he N4 会議 kaigi business meeting; conference N5 中 naka inside / middle N5 手 te hand N5 ない nai there isn't, doesn't have

N3 彼 hi / kare, kano, ka.no he, that, the N4 会 kai, e / a.u, a.waseru, atsu.maru meeting, meet, party N3 議 gi deliberation, consultation, debate N5 中 chuu / naka, uchi, ata.ru in, inside, middle N4 手 shu, zu / te, te-, -te, ta- hand, main, mano N1 離 ri / hana.reru, hana.su detach, separation, disjoin

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 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information