長時間座ってて膝がバキバキ

N5 時間 jikan time N5 座って suwatte sit N3 膝 hiza knee, lap

N5 長 chou / naga.i, osa long, leader, superior N5 時 ji / toki, -doki time, hour, temps N5 間 kan, ken / aida, ma, ai interval, space, intervalle N3 座 za / suwa.ru squat, seat, cushion N1 膝 shitsu / hiza knee, lap, rodilla

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences