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