noun · an official historical document issued to mobilize troops or the populace for a military campaign or revolt

将军在起兵讨伐叛贼之前，亲自草拟了一份檄书。

noun · a formal public document or statement that condemns the crimes or wrongdoings of an individual or entity

这篇抨击官场腐败的檄书在网络上引起了广泛关注。