《资治通鉴·汉纪·汉纪十五》
如果认为楼兰王有罪，一定要征讨，也应堂堂正正地派遣军队，公开地施行惩罚。
必以为有罪而讨之，则宜陈师鞠旅，明致其罚。
If one believes that the King of Loulan is guilty and that he must be attacked, the army should have been sent directly, openly carrying out the punishment.
<s>[INST] Render the following Classical Chinese text into fluent English: 必以为有罪而讨之，则宜陈师鞠旅，明致其罚。 [/INST] If one believes that the King of Loulan is guilty and that he must be attacked, the army should have been sent directly, openly carrying out the punishment.</s>
Render the following Classical Chinese text into fluent English: 必以为有罪而讨之，则宜陈师鞠旅，明致其罚。
user
If one believes that the King of Loulan is guilty and that he must be attacked, the army should have been sent directly, openly carrying out the punishment.
assistant