英语语法分析

He is guarded at street level by men in quaint uniforms (in his case, Civil Guards in patent-leather tricorne hats) and upstairs by serried ranks of aides.

街面上穿着奇趣制服(在他的级别，守卫的是带着特制三角皮帽的公民警卫队)的男子负责守卫，而楼上各级幕僚层层把关。