暗機關使暗機關
gimmick n 1: something whose name is either forgotten or not known [syn: {dohickey}, {dojigger}, {doodad}, {doohickey}, {hickey}, {gizmo}, {gismo}, {gubbins}, {thingamabob}, {thingumabob}, {thingmabob}, {thingamajig}, {thingumajig}, {thingmajig}, {thingummy}] 2: any clever (deceptive) maneuver; "he would stoop to any device to win a point" [syn: {device}, {twist}]