未解答的；未說明的；未授記的（如佛陀不予回答的形而上學問題）

undeclared; unexplained; not stated; left unanswered (e.g., metaphysical questions not answered by the Buddha)

（教義）無記的；非善非惡的；道德上中性的（阿毗達摩中指異熟、唯作、色法與涅槃）

(doctrine) indeterminate; neither wholesome nor unwholesome; morally neutral (in Abhidhamma: resultant, functional, matter, and Nibbāna)