mother is sick
他是因为母亲病了而不能来学校。
He can't come to school because his mother is sick.
既然母亲病了，我就待在家里没去上学。
Since my mother was sick, I stayed home instead of going to school.
我母亲病了还需要我照顾
My mother is sick, and she still needs me to take care of her.
— 色‧戒 (2007)
他母亲病了，来不了
His mother is ill, so he can't come.
— 镜子 (1975)