Presently her footfalls died out as she descended to the lower floors.当她下到下一层楼时，她的脚步声不久就消失了。I heard strange footfalls on the stairs.我听见楼梯上有陌生的脚步声。I heard echoing footfalls in the corridor.我听到走廊里响起了脚步声。She heard footfalls echoing in the hall.她听到脚步声在大厅里回响。