响动

响动	xiǎng dòng	sound coming from sth (typically sth not immediately visible) / also pr. [xiang3 dong5]
响	xiǎng	echo / sound / noise / to make a sound / to sound / to ring / loud / classifier for noises
动	dòng	(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 动词, verb