不可揆度
      Explanation: Premier: Sound 'Kwai' degrees: sound 'wins' Kuiduo: measured, and speculation. That can not speculate.
      Usage: Verb-object type; as the predicate attribute; that can not speculate
      Source: Han Liu, "Huainanzi Binglue training": "matter of who can cure facial features, were also not Kuiduo."