“命令的”用英语怎么说？

他老是用命令的口吻讲话.He always speaks in an imperative tone of voice.你不能干这事, 这是违反命令的.You can't do anything of the sort. It is against orders.那残忍的船长鞭打不服从命令的水手.The cruel captain used a scourge on his disobedient sailor....