Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
life of Riley
Meaning:
an easy life of luxury, a pleasant life
Example:
My father has been living the life of Riley since he retired from his job last year.
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 other than its literal meaning of the words in it.