Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
up and at 'em
Meaning:
active and busy, up and at them
Example:
We will be up and at 'em very early tomorrow morning.
List of common idioms, their meanings and examples of their usage in sentences
The language peculiar to a people or to a district, community, or class