door gods pasted on backwards: they don't face each other
Saying俗语俗語
Two-part saying歇后语歇後語 · Rarely used now
Meaning
Two people don't get along or can't agree or work together. Said humorously of people who are at odds.
Wordplay
脸 (liǎn) means both the 'face' of the door god pictures and 'face' as in goodwill or regard; the gods don't face each other, just as the people don't see eye to eye.