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