Memory Idioms 2Version en ligne Players will try to match the idiom with it's meaning. par Lunarn Smith Don’t start problems or cause trouble Let sleeping dogs lie Burn the midnight oil Hold your horses Can’t stay calm (relax) because you’re nervous Work until late at night Happens very rarely; uncommon Best thing since sliced bread Wait and be patient Good idea or invention It’s not hard. Tell a secret Ants in one’s pants It’s not rocket science Very expensive Cost an arm and a leg Once in a blue moon Let the cat out of the bag