Idioms
An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.
Idiom:
buckle down and do (something)
Meaning:
to make a big effort to do something, to give one's complete attention or effort to do something
Example:
I have to buckle down and study or I will fail the exam.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.