Relacionar Columnas C22U4LA Voc Not bVersión en línea What do these idioms mean? Match the columns. por Modern English 1 clam up 2 beat a dead horse 3 be a fish out of water 4 get off your high horse 5 be a guinea pig 6 have butterflies in your stomach 7 be in the doghouse 8 have ants in your pants be the subject of an experiment not say anything, perhaps because you feel uncomfortable not fit in, be out of place be anxious or excited to do something be nervous be in trouble waste your time on something stop being superior