verb · to strip someone of their actual authority, making them a mere figurehead

他在公司里被下属架空了。

verb · to build on stilts or install structures like power lines above the ground

电力公司正在郊区架空铺设高压线。

verb · lacking a solid basis; impractical or set in a fictional time and space

这部历史小说的背景是架空的。