Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
have one's back to the wall
Meaning:
to be in a defensive position
Example:
The boy has his back to the wall and must pass his exams or leave school.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.