liǎng / jiā / gōng / sī / biǎo / miàn / shàng / hé / zuò / shí / jì / shàng / yì / zhí / zài / míng / zhēng / àn / dòu

两家公司表面上合作，实际上一直在明争暗斗。

The two companies appear to cooperate, but in reality they have been openly competing and maneuvering behind the scenes.