彼随分成長したよね

N5 彼 kare he N4 随分 zuibun very, quite, considerably N3 成長 seichou growth, development

N3 彼 hi / kare, kano, ka.no he, that, the N1 随 zui / manima.ni, shitaga.u follow, though, notwithstanding N3 分 bun, fun, bu / wa.keru, wa.ke, wa.kareru, wa.karu, wa.katsu part, minute of time, segment N3 成 sei, jou / na.ru, na.su, -na.su turn into, become, get N5 長 chou / naga.i, osa long, leader, superior

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜ね ne Sentence ending particle seeking agreement, softens statement, similar to right or isnt it N5 〜よ yo Sentence ending particle adding information to listener, emphasizes statement, expresses certainty or warning