jià​kōng

to build on stilts

架空 jià​kōng
to build on stilts
to build a structure such as a hut or bridge on stilts or pillars so it is raised off the ground; to install power lines overhead
to make a figurehead
to make someone a figurehead by secretly stripping them of their actual power or authority
unfounded; impractical
imaginary or fabricated out of nothing; without any factual basis or foundation; impractical
fictional setting
(of a setting) fictional; imaginary; alternative history (common in web novels to denote a world with an invented historical background)

Frequency

Movie subtitles
0.150 per million appears in 0% of films
Written text
1.86 per million

Sources