Idioms
The language peculiar to a people or to a district, community, or class
Idiom:
blow (someone's) cover
Meaning:
to reveal someone's true identity or purpose
Example:
The police blew the secret detectives cover by mistake.
List of common idioms, their meanings and examples of their usage in sentences
Idioms can be a powerful linguistic tool only when they are used in the right way in the right places.