Idioms
The language peculiar to a people or to a district, community, or class
Idiom:
size up (someone or something)
Meaning:
to try to form an opinion of someone, to assess a situation
Example:
It took me some time to size up the candidate before deciding to offer him a job.
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 different from the literal meaning of the words in it.