Idioms
The language peculiar to a people or to a district, community, or class
Idiom:
keep harping on (something)
Meaning:
to continue to talk or complain about something
Example:
The boy's father keeps harping on the fact that his son never does his homework.
List of common idioms, their meanings and examples of their usage in sentences
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.