unwritten

形容词

1. 1

   不成文的、约定俗成的

   There is an unwritten rule that new staff make the coffee.

   有个不成文的规定，新来的员工要负责泡咖啡。

2. 2

   未写下的、尚未写成的

   His third novel remains unwritten after ten years of planning.

   他的第三本小说构思了十年，至今仍未写出来。

3. 3

   口头的、未记录的

   They relied on an unwritten agreement between the two families.

   他们靠的是两家人之间的口头约定。