Treason, betrayal, an imperator gone rogue.

叛国 背叛 有一员大将叛变了。

The  Roman troops hailed their commander as imperator, a title usually reserved for the Emperor, in gratitude at the hard-fought success.

罗马军队称赞他们的指挥官为“统帅”， 这个头衔通常是为皇帝保留的，以感谢他们来之不易的胜利。

If a given army's commander declared himself imperator, and made play for control of the whole empire these soldiers were often quite happy to fight for their general's behalf.

如果某个军队的司令官自称为元首，意图控制整个帝国, 这些战士常常也很乐意为他们的将军效劳。

At once a ferocious three-quartered civil war broke out, the first in more than a century, in Britain the general Claudius Albinus was declared imperator by his legions.

随即就爆发了一场三方之间的激烈内战，英国的克劳迪乌斯，阿尔宾努斯将军被自己的军团宣布为元首。