非亲非故

fēiqīnfēigù

非亲非故 — fēiqīnfēigù

1. lit. neither a relative nor a friend; fig. unrelated or having no connection with one another; strangers

   他和我只是非亲非故，没必要插手。 tā hé wǒ zhǐshì fēiqīnfēigù méi bìyào chāshǒu — He's neither my relative nor my friend; there's no need for him to interfere.