Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
take a hand in (something)
Meaning:
to help plan or do something
Example:
The man is always ready to take a hand in any work that needs to be done.
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.