에 시달린다

suffer from

→ 에
phrase Rare #16,484
suffer from Used to say that someone is continually troubled or afflicted by something, such as an illness, pain, or other problem. The noun before 에 is what causes the suffering.
KO: 그녀는 불면증에 시달린다.
EN: She suffers from insomnia.

요즘 불면증에 시달린다

I've been suffering from insomnia again lately.

— 해피 투게더 (1997)