压碎

压碎	yā suì	to crush to pieces
压	yā	to press / to push down / to keep under (control) / pressure
压	yà	used in 压根儿 / used in 压马路 / used in 压板
碎	suì	(transitive or intransitive) to break into pieces; to shatter; to crumble / broken; fragmentary; scattered / garrulous