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