彼(かの)女(じょ) kanojoは wa病(びょう)気(き)の() byoukinoために tameni学(がっ)校(こう) gakkouを o休(やす)ん()だ() yasunda。 She missed school because of illness. Literal She [topic-は] illness [because of-のために] school [object-を] was-absent. のために marks illness as the cause. 学校を休む means 'to be absent from school.' The に in のために is optional — both のため and のために are natural in this construction. healthschooleducation~のため (because of)
彼(かの)女(じょ) kanojoは wa病(びょう)気(き)の() byoukinoために tameni学(がっ)校(こう) gakkouを o休(やす)ん()だ() yasunda。 She missed school because of illness. Literal She [topic-は] illness [because of-のために] school [object-を] was-absent. のために marks illness as the cause. 学校を休む means 'to be absent from school.' The に in のために is optional — both のため and のために are natural in this construction. healthschooleducation~のため (because of)