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