need not to know有语法错误吗怎么好像读起来不太对……求高人解答

Need not to know Need not to know. need not to know Need Not To Know Need not to know.Need not to know. not to know what to do有没有语法问题? Need not to know是谁说的? need not to know有语法错误吧need直接加not否定应该是情态动词不加to的 Need not to know.在英语语法上到底对不对?它有什么特殊的含义? neet not to 不需要知道不是need not to know吗？这是neet，不是need 关于need not to know我知道need not to know是不对的语法,但是在一动漫里面却用了这句话.他们说这是警方的术语.到底是不是警方的专用术语?高明人士做答一下,need not to know是不是警方的专用术语 You do not need to know怎么读 You don't need not to know中文是什么意思 you do not need to know the really meaning need not to know 这句话怎么读 You need not know what does that mean 这计话运用了什么语法 need not to know有语法错误吗怎么好像读起来不太对……求高人解答 有谁知道,《名侦探柯南》中警界的暗语“无须知道（NEED NOT TO KNOW）”到底是什么意思?