incurably          
adverb uk/ɪnˈkjʊə.rə.bli/ us/ɪnˈkjʊr.ə.bli/
 无可救药地
in a way that is impossible to cure
  She was told that she was incurably ill. 她被告知自己已经病入膏肓。 
 The cancer had returned and spread incurably through her body. 癌症又复发了,扩散到她的全身,无法治愈。 
 See: incurable
  不变地;无法改变地;无可救药地
in a way that does not change or is impossible to change
  He's incurably cheerful. 他还是一如既往的快乐。 
 Only the incurably optimistic shared her confidence. 只有无可救药的乐观主义者才会跟她一样有信心。 
 See: incurable
 - More examples
 - He advocated euthanasia for the incurably ill.
 - After being pronounced incurably fat, she began reading nutrition books.
 - She was incurably sentimental about wildlife.
 - He loved to race and was incurably competitive.