"Negative Four" refers to a specific temperature measurement that is four degrees below zero. In the context of the Celsius scale, this means it is quite cold, often associated with winter weather. At this temperature, water can freeze, and outdoor activities may become challenging due to the chill in the air. In everyday life, experiencing "Negative Four" can impact how we dress and prepare for the outdoors. People often wear heavy coats, gloves, and hats to stay warm. Additionally, this temperature can affect transportation, as roads may become icy, making driving more hazardous for everyone.