Matching Pairs Idiomatic Expressions Online version Idioms and their meaning by Gloria Reyes 1 Break a leg. 2 Blessing in Disguise. 3 Wanted like a bad penny. 4 Laying low. 5 Add fuel to the fire. 6 All ears. 7 It is raining cats and dogs. 8 Being blue. It is raining heavily. Being unwanted. Being sad. Something that appears bad at first but ends up having good results. Good luck When someone really wants to hear about something. When someone makes a bad situation worse. Not to draw attention to yourself.