unwritten是什么意思音标:英 [ˌʌnˈrɪtn]美 [ʌnˈrɪtn]
a. 非书面的, 没有写的, 没有记录的, 口头的
[法] 习惯, 不成文的, 未记诸文字的
a. based on custom rather than documentation
unwritten的用法和例句：
1.You and Iwe are breaking the unwritten rules of the universe.
我和你正在打破宇宙间的自然规则
2.A gift is just a debt, unwritten but impped.
礼物就是债务 虽然没写明但就是这样
3.I'll enforce the unwritten rules while you enforce the written ones.
我会执行不成文的规矩 你来执行法律规定
4.That's a set of unwritten rules that fathers have passed down from generation to generation.
那是一套未成文的规矩 由当爹的世代相传下来
5.I need canons of pterature, unwritten books, an entirely new language.
我需要写本书 创造经典之作 一种全新的语言
6.see, the gentlemen I answer to, they have sort of an unwritten rule about fighters getting greedy.
我的上家 有一些不成文的规矩 针对你这种贪婪的人