拖累: to encumber, to be a burden on, to implicate...
小学: elementary school, primary school...
线索: trail, clues, thread (of a story)...
无恶不作: not to shrink from any crime (idiom); to commit any imaginable misdeed...
后备: reserve, backup...
腰: waist, lower back, pocket, middle, loins...
编号: to number, numbering, serial number...
过道: passageway, corridor, aisle...
钉子: nail, snag, saboteur...
资料: material, resources, data, information, profile (Internet)...
