1.b> (to perk up) i> (); i> ; the horse perked up its head / ; to perk up one's ears ( i>);
2.b> (.i> to perk up) 1) (), , ; / ;
2) .i> () , . i>; , ; she perked up when the letter arrived ; business perks again ; the economy perked up ; ;
3.b> (; ), ; (.i> to perk up, to perk out); she perks herself up daintily i> / ;
4.b> 1) , i> (, ), (i>), ;
2) .i> (), , ;
5.b> (), i> ; smart pockets perk out from the apron .