This document provides examples of common idioms used in daily speech. Some idioms described are "call it a day" meaning to stop work, "green" meaning inexperienced, "cost an arm and a leg" meaning very expensive, and "don't count your chickens before they hatch" meaning don't assume something will happen until it has. Other idioms explained are "hit the sack" meaning go to bed, "zip your lip" meaning keep something secret, and "keep your fingers crossed" meaning to hope for the best.