Matching Pairs IdiomsOnline version Some idioms by Catalina Rojas Trujillo 1 The last straw 2 Speak of the devil 3 Once in a blue moon 4 Cross your fingers 5 Gut feeling 6 Ring a bell 7 By the skin of your teeth 8 As cool as cucumber 9 Let the cat out of the bag 10 For donkeys years The intuition that a person has about a situation or person, usually when something is not going well. Used to describe someone who is very calm Many years To hope that things will happen in the way that you want them to Something you say when the person you were talking about appears unexpectedly Not very often Achieve something for little To allow a secret to be known, usually without intending to It is the maximum degree that can be reached and fills patience To sound familiar