上阵 Traditional form: 上陣 Pinyin (reading): shàngzhèn Definitions: to go into battle Characters: 上 - above, on top, superior; to go up; to attend; previous 阵 - row, column; ranks, troop formation Traditional characters: 上 - above, on top, superior; to go up; to attend; previous 陣 - row, column; ranks, troop formation