This document discusses several common idioms related to cold weather and feelings. It defines the idioms "in the dead of winter" as referring to the middle of winter, "cold shoulder" as ignoring someone, "get cold feet" as becoming too frightened to go through with a plan, "break out in a cold sweat" as becoming frightened and anxious and beginning to sweat, and "cold comfort" as offering limited sympathy or comfort. Examples are provided to illustrate the meaning and usage of each idiom.