arcaneKK [ˏɑˋrken] /ˌɑˈɹkeɪn/形容詞1晦澀難懂的、深奧的The tax rules are so arcane that even accountants disagree.這些稅務規定晦澀難懂,連會計師的看法都不一致。2神秘的、玄奧的The novel describes an arcane ritual performed at midnight.這本小說描寫一場在午夜舉行的神秘儀式。