攒动

攒动	cuán dòng	(of a crowd) to move about in a densely packed mass
攒	cuán	to bring together
攒	zǎn	to collect / to hoard / to accumulate / to save
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