调查之事并未说死.
by no means 决不
cut and dried 1.(观念等)单调乏味的,缺乏新意的,呆板的 2.已成定局的,不容更改的
详见1998年全国硕士研究生入学统一考试英语试题有cut and dried解释.并有The inquiry is by no means cut and dried.原句翻译!