Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.
Idiom:
call (someone's) bluff
Meaning:
to challenge someone to prove that what they are saying is true
Example:
I decided to call the man's bluff and I asked him to show me the evidence.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.