This document provides definitions for common English idioms. Idioms are phrases in everyday language that do not make literal sense but have understood meanings. Examples include "apple of one's eye" meaning a favorite person, "work like a dog" meaning to work long hours without rest, and "couch potato" referring to someone who spends a lot of time sitting and watching TV. Other idioms explained are "cut corners," "grind gears," "elephant in the room," "jump for joy," "live on the edge," and "fly off the handle." The document also defines "odd duck," "make a racket," "sitting duck," "straddle the fence," "make a mountain out of