阵痛 Traditional form: 陣痛 Pinyin (reading): zhèntòng Definitions: labor pains (fig.) distress caused by a disruptive change Characters: 阵 - row, column; ranks, troop formation 痛 - ache, pain; bitterness, sorrow; deeply, thoroughly Traditional characters: 陣 - row, column; ranks, troop formation 痛 - ache, pain; bitterness, sorrow; deeply, thoroughly