Matching Pairs IdiomsOnline version Some idioms by Catalina Rojas Trujillo 1 Once in a blue moon 2 Cross your fingers 3 Speak of the devil 4 For donkeys years 5 The last straw 6 Gut feeling 7 As cool as cucumber 8 By the skin of your teeth 9 Let the cat out of the bag 10 Ring a bell Achieve something for little 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 Many years 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. To sound familiar To allow a secret to be known, usually without intending to It is the maximum degree that can be reached and fills patience Not very often