Memory Game Defining Idioms 1-10Online version Match the Idiom to the Correct Definition by Jodi Robertson Mum's the word Come down hard A sad or disappointed look on the face. Long face Take a good look or listen to this! Keep on a straight and narrow path. Stay out of trouble-don't allow negative influence. Old fashioned. In trouble Weed out Strict punishment Fuddy Duddy Pull your weight. In hot water Do your part or share of the task. Blaze a trail Get a load of this! Keep it a secret. Be the first person to do something. To be selective in removing what isn't wanted, is harmful or is not good enough.