I stumbled along in the dark, trusting to luck to find the right door.我跌跌撞撞地在黑暗中摸索前进，想凭运气找到那扇正确的门。He stumbled along the track in darkness.黑暗中他在小径上蹒跚而行。She stumbled along, keeping her eyes peeled for a phone box.她一边跌跌撞撞地往前走，一边留意找公用电话亭。The tired old man stumbled along.那位疲惫的老人蹒跚而行。