为了获得一个平民的工作他辞去了军职。

He resigned his commission to take up a civilian job.

唐代后期宦官掌握军权主要是通过宦官担任军职、专典禁军和宦官监军制度而实现的。

In late Tang Dynasty, the eunuch's monoply of military power was realized by the systems of the eunuch taking military positions, governing the imperial army and supervising the army.