Definition
This phrase is used to express that something must be done because it has been ordered by someone in authority, even if one does not agree with it.
（通常指即使不赞成）命令就是命令，命令必须执行
I don't particularly like this plan, but orders are orders, and we must proceed as instructed.
我不太喜欢这个计划，但命令就是命令，我们必须按照指示进行。
Even if it doesn't seem reasonable, orders are orders, and we cannot disobey our superior's instructions.
即使这看起来不合理，命令就是命令，我们不能违背上级的指示。
Although everyone thinks this task is absurd, orders are orders, and we still have to do it.
虽然大家都认为这项任务很荒谬，但命令就是命令，我们还是得完成它。