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