Idioms
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.
Idiom:
have a keen interest in (someone or something)
Meaning:
to be very interested in someone or something
Example:
I have always had a keen interest in hiking and camping.
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.