게 낫겠어

it'd be better to

→ 것+이
phrase Rare #15,750
it'd be better to Follows a verb phrase to suggest that doing something would be the better choice. This form is casual.
KO: 지금 출발하는 게 낫겠어.
EN: It'd be better to leave now.

젠장 그냥 버리는 게 낫겠어

Damn, I'd better just throw it away.

— 똑바로 살아라 (1989)

죽는 게 낫겠어

I'd rather die.

— 자전거 도둑 (1948)