gnomic
adjective formal uk/ˈnəʊ.mɪk/ us/ˈnoʊ.mɪk/
精辟深奥的;高深莫测的;简短晦涩的
used to describe something spoken or written that is short, mysterious, and not easily understood, but often seems wise
Peter is always coming out with gnomic utterances/pronouncements. 彼得老是发表些高深莫测的意见。