に苦しんでいる

suffering from

→ に
phrase Rare #26,540
suffering from Used when someone is suffering from or struggling with a serious problem, shortage, or difficult condition. The に marks the cause of the suffering.
JA: 多くの家庭が高い食料品価格に苦しんでいる。
EN: Many families are suffering from high food prices.

彼女がそんなに苦しんでいるのを見ていられない

I can't bear to see her suffering so much.

彼らは財政困難に苦しんでいる

They are struggling financially.

アフリカ飢えに苦しんでいる人々に早急な援助が必要である

Urgent aid is needed for people suffering from hunger in Africa.

我々は今年の夏はひどい水不足に苦しんでいる

We are suffering from a severe water shortage this summer.