bù​chén​zhī​xīn

disloyal heart

  1. to fail in one's duty as a subject
    (literary) for a subordinate to not follow the expected behavior of a subject; can also refer to acts of rebellion or betrayal
  2. zhī particle
    [possessive]
    Connects a describing word or phrase to the noun it describes, similar to de but used in formal or literary writing.
  3. intention
    purpose; motive; moral character or disposition