[jià kōng]
(用柱子等支撑而离开地面的) built on stilts; be without foundations; overhead; aerial
aerial cable
架空电缆
overhead pipe
架空管道
cableway
架空索道
overhead railway
架空铁路
The bamboo huts here are all built on stilts.
这里的竹楼都是架空的。
(没有基础的) fanciful; impracticable; unpractical
theory not based on facts
架空的理论
The plan is impracticable.
这个计划是个架空的东西。
(使徒具虚名) make sb. a mere figurehead; render unfeasible