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