拖长

拖长	tuō cháng	to lengthen / to drag out
拖	tuō	variant of 拖
拖	tuō	to drag / to tow / to trail / to hang down / to mop (the floor) / to delay / to drag on
长	cháng	length / long / forever / always / constantly
长	zhǎng	chief / head / elder / to grow / to develop / to increase / to enhance