She has been attending upon her sick mother for years.

她侍奉她生病的母亲已有多年了。

《新英汉大辞典》

In order to look after her sick mother, she asked for a month's leave.

为了照顾她生病的母亲，她请了一个月的假。

youdao

She no longer wanted to live such a poor life and face her sick husband.

她不想再过这样贫穷的生活，也不想面对她生病的丈夫。

youdao

She left high school early to care for her sick grandmother, then to care for her mother.

VOA: special.2009.03.08

Nate said,"no," the birth would make her sick.

VOA: special.2010.01.09

"She is very sick and weak," said Sue, "and the disease has left her mind full of strange ideas."

VOA: special.2009.08.01

The mother who can't get Medicaid to cover all the needs of her sick child.

CNN: Obama speech: 'Yes, we can change'

Her later schooling was cut short by the need to care for her sick grandmother.

ECONOMIST: Rosa Parks

In it, a woman and her sick mother go to the temple for the first time in years.

BBC: Poster for Behzti