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	long / (bound form) length / (bound form) strong point; forte / (bound form) to be good at / (literary) surplus; spare (Taiwan pr. [zhang4])
长	zhǎng	chief / head / elder / to grow / to develop / to increase / to enhance