다 같이 등산을 갔는데 너무 창피했어요. 제가 체력이 그렇게 딸리는지 (미처) 몰랐어요. >> We all went hiking together. And, it was so (really) embarrasing. I didn't realize (that) I was in such poor shape. 처음에는 할 만 했는데 다른(나머지) 사람들 속도를 못 따라가고 계속 뒤쳐졌어. >> I mean, it wasn't so bad at first but I just couldn't keep up with the others(rest) and I kept failling behind. 심지어 따라잡으라고 몇 번 멈춰주기까지 했는데 내가 모두를 너무 지체시켜서 결국 (그냥) 포기하고 내려왔어. >> They ..