彼、ゲームに夢中で全然聞いてない

N5 彼 kare he N3 ゲーム geemu game, match N3 夢中 muchuu absorbed, crazy about, engrossed N5 全然 zenzen not at all N5 ない nai there isn't, doesn't have

N3 彼 hi / kare, kano, ka.no he, that, the N3 夢 mu, bou / yume, yume.miru, kura.i dream, vision, illusion N5 中 chuu / naka, uchi, ata.ru in, inside, middle N3 全 zen / matta.ku, sube.te whole, entire, all N3 然 zen, nen / shika, shika.ri, shika.shi, sa sort of thing, so, if so N5 聞 bun, mon / ki.ku, ki.koeru hear, ask, listen

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