do not
non-standard does not
There are simply certain things he don't know — Ezra Pound
(usu in pl) something that is prohibited
a list of dos and don'ts
英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。