GbEng
他在房间里磕磕绊绊地摸索电灯的开关. He blundered about the room, feeling for the light switch.
他们须通过齐膝的烂泥和堆积物, 磕磕绊绊来到遇难者身旁. They had to wade knee-deep through mud and debris to reach the victims.