The word **对阵** is formed by combining the characters **对** (duì), which in this context means "to face" or "to oppose," and **阵** (zhèn), meaning "battle array," "formation," or "position." Literally, it describes two arranged forces or sides positioned opposite each other, ready for a confrontation. This military-derived term has evolved into a common metaphor used in sports, games, and competitions to indicate a direct matchup or showdown between two opposing teams, players, or factions, emphasizing the structured and opposing nature of the encounter.