가 힘들다

is difficult; has a hard time

→ 가

phrase Rare #20,557

is difficult; has a hard time The particle 가 marks the subject. With an action or activity before it, as in 이해하기가 힘들다, the phrase means that doing or understanding something is difficult.

KO: 이 문제는 이해하기가 힘들다.

EN: This problem is difficult to understand.