Hi, Anton Shepelev!
I read your message from 20.11.2022 15:01

  AS> In "The Mysteries of Udolpho" I have met with the
  AS> application of `unworthy' directly to a noun, that is
  AS> without the usual mediation of `of':
  AS>     Besides, sir, your refusal wounds my pride; I must
  AS>     believe you think my offer unworthy your acceptance.
  AS> What do you think of this rare usage, and what dictionary
  AS> openly recognises it (I have found none)?  This direct
  AS> ??government sounds to me better than the one via a
  AS> preposition!

IMHO it is informal speech, and they omitted THAT and IS:

Besides, sir, your refusal wounds my pride; I must
believe you think THAT my offer IS unworthy your acceptance.

Bye, Anton!
Alexander Koryagin
fido.english_tutor 2022
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