1ADJ [usually ADJ n]未付印的;未写下的;未成文 Something such as a book that is unwritten has not been printed or written down. 未付印的;未写下的;未成文
Universal have agreed to pay £2.5 million for Grisham's next, as yet unwritten, novel.
环球公司已同意为格里森姆下一部还未动笔的小说支付250万英镑。
2ADJ [usually ADJ n](规则、法律或协议)不成文的 An unwritten rule, law, or agreement is one that is understood and accepted by everyone, although it may not have been formally or officially established. (规则、法律或协议)不成文的
They obey the one unwritten rule that binds them all—no talking.