기껏1 [힘껏] as far[much] as one can; with all one's might; with might and main; to the utmost (of one's power). ~ 빨리 as soon as possible. ~ 당기다 pull with all one's force. ~ 모은 돈을 다 써 버리다니 바보 같은 짓을 했다 I was foolish enough to spend +모두 보이기...the money I had saved at no small pains.2 [고작] only; merely; at (the) most; at the utmost; at (the) best. ~한다는 소리가 그거냐 You say, at best, such a stupid[trifle] thing! / What a nonsense you are talking!
기껏해야: 기껏해야 at (the) most; at the very most; at the utmost; at (the) best; only; merely; after all. ~ 1마일 a mile at the (very) outside. 그건 ~ 4시간 정도 걸릴 것이다 I think it'll take about four hours at most. 나는 ~