She is suffering from senile dementia.

她受老年痴呆症折磨。

《柯林斯英汉双解大词典》

She is suffering from lack of appetite.

她没有食欲。

《新英汉大辞典》

She is suffering from fatigue.

她正感到疲劳。

youdao

She donated one of her kidneys to her father,Peter Kibe, who is suffering from hypertension.

VOA: standard.2010.05.30

As she goes further and further in to her search for knowledge-- - and finally her abandonment of that search of knowledge-- she sees more and more that this is not just pattern, that it's these storm systems of suffering and need.

在她逐渐深入的求知过程-,和她最后放弃了对知识的寻找-,她越来越明白这不是模式，而是苦难而又需要的风暴系统。

耶鲁公开课 - 1945年后的美国小说课程节选

She is not the only one who is suffering.

BBC: Japan quake: Aid worker's diary

She is said to have been suffering months of back pain and is reported to have been diagnosed with a herniated spinal disc.

BBC: Tymoshenko case: Europe pressure on Ukraine intensifies

Having grown up in apartheid South Africa, she is always awake to stories of suffering, particularly when it arises from social inequities.

FORBES: Femininity, Feminism and the "Either/Or Woman"