自家人不认自家人
zì​jiā​rén​bù​rèn​zì​jiā​rén

to fail to recognize one's own

  1. 自家人 zì​jiā​rén noun
    one of us
    Member of one's own household or family; someone with whom one is on familiar terms or from the same place.
  2. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  3. 认 認 rèn verb
    to recognize
    to recognize; to identify; to distinguish; to know
  4. 自家人 zì​jiā​rén noun
    one of us
    Member of one's own household or family; someone with whom one is on familiar terms or from the same place.