功敗垂成 [ㄍㄨㄥ ㄅㄞˋ ㄔㄨㄟˊ ㄔㄥˊ; gong1 bai4 chui2 cheng2] to fail within sight of success (idiom); last-minute failure to fall at the last hurdle snatching defeat from the jaws of victory ◄ ►