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