수가 없거든

can't

→ 수

phrase Rare #26,055

can't Used after a verb to explain that something is impossible or beyond someone’s ability. The ending 거든 gives an explanatory tone, like “because” or “you see.”

KO: 오늘은 너무 피곤해서 더 걸을 수가 없거든.

EN: I’m too tired to walk any farther, you see.

그들은 그냥 깨질 수가 없거든

They just can’t break.

— 잠입자 (1979)