oreja
1 (Anatomía) ear
aguzar las orejas to prick up one's ears
calentar las orejas a algn (pegar) to box sb's ears; (irritar) to get on sb's nerves; (despachar) to send sb away with a flea in his ear (familiar)
chafar la oreja to have a kip (familiar)
descubrir o enseñar la oreja (traicionarse) to give o.s. away; show one's true colours; (aparecer) to show up
con las orejas gachas with one's tail between one's legs; crestfallen
estar hasta las orejas de algo to be up to one's ears o eyes in sth (familiar)
hacer orejas to listen to sense; see sense
hacer orejas de mercader to turn a deaf ear
pegar la oreja (en algo) to eavesdrop (on sth); listen in (on o to sth)
planchar oreja to have a kip (familiar)
ponerle a algn las orejas coloradas to embarrass sb
sonreír de oreja a oreja (con alegría) to beam; (con autosatisfacción) to grin from ear to ear
verle las orejas al lobo to get a sudden fright
vérsele la oreja a algn
se le ve la oreja you can see his little game (familiar)
(soplón) grass (familiar); fink (familiar); (EEUU) informer