定规

定规	dìng guī	to decide / to determine / established practice / (dialect) firmly resolved (to do sth)
定	dìng	to fix; to set; to make definite / to subscribe to (a newspaper etc); to book (tickets etc); to order (goods etc) / to congeal; to coagulate / (literary) definitely
规	guī	variant of 规
规	guī	compass / a rule / regulation / to admonish / to plan / to scheme