择定

择定	zé dìng	to select
择	zé	to select / to choose / to pick over / to pick out / to differentiate / to eliminate / also pr. [zhai2]
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