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