请输入您要查询的英文单词：
单词
unwritten
释义
unwritten
ADJ
/ʌnˈrɪtn/
known or understood by everyone but not written down or official 未写下的；不成文的
It was an unwritten rule never to disturb Dad’ s work.
不打扰爸爸的工作是个不成文的规定。