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