English Idioms About “Colors”
Idiom: Out of the blue
Meaning: Something which is totally unexpected.
Example: She sent him a letter, out of the blue, telling him that she was in love with another guy.

English Idioms About “Animals”
Idiom: Call off the dogs
Meaning: Said when you want someone to stop criticizing you.
Example: Please, call off the dogs. I apologize for what I have done.

English Idioms About “Sport”
Idiom: Come from behind
Meaning: To win after being in a losing position in a game.
Example: The young boxer came from behind to beat the world champion.

English Idioms About “Crime”
Idiom: Beat the rap
Meaning: To beat the rap means to evade conviction and punishment for a crime.
Example: The lawyer helped John beat the rap after being caught by the police.