An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.
Idiom:
make out
Meaning:
to progress, to do well or not do well
Example:
"How did you make out at your job interview yesterday?"
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.