IDIOMS AND METAPHORS
Idioms must not be taken literally.  They can be quite colourful and descriptive, whilst difficult to understand if you are a non-English speaker. 

Common Idioms
-   A chip on your shoulder   .................. hold a grudge
-   Rubbing someone up the wrong way  .. making someone annoyed
-   Barking up the wrong tree  .................looking in the wrong place / accusing the
                                                              wrong person
-   Best of both worlds  .........................  the best of everything / every advantage
-   Hit the nail on the head  ...................  say or do something correctly
-   Kill two birds with one stone  .............  to achieve two different things at the same
                                                              time
-   Once in a blue moon   .......................  happens very rarely                                                                                                  
Metaphors are used to make a comparison between two animals, people, places or things.  These can also be quite colourful - and again, can be difficult to understand for a non-English speaker.

-   You are a star  ...................................  you are wonderful

-   She gobbled up her dinner  ..................  she ate too fast

-   The storm eased off  ...........................  the weather is improving

-   We must knuckle under  ......................  we must do as we are told

-   Don't judge the book by its cover  .......... don't judge things/people by the way they
                                                                  look
​
-   Left high and dry  ................................. left without a solution or help in a situation
​-   Saved by the bell   ................................ a very lucky escape