同床异梦
share the same bed but dream different dreams;be strange bedfellows; hide different purposes behind the semblance of accord;try to keep up an appearance of unity
同床异梦tónɡ chuánɡ yì mènɡ
同睡在一张床上,做着不一样的梦。比喻虽然在一起共事或相处,但各有各的打算。be strange bedfellows, same bed but different dreams