Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
keep a close watch over (someone or something)
Meaning:
to guard or care for someone or something
Example:
I kept a close watch over the soup while it was cooking.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own.