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Open the tool →屋下作屋 (wū xià zuo wū) is a Chinese idiom (chengyu) meaning “to create something redundant or superfluous”.
屋下作屋 is pronounced wū xià zuo wū in Mandarin Chinese.
Literally, 屋下作屋 means “Building a house under a house”. It is used to mean “to create something redundant or superfluous”.
比喻机构或文章结构重叠。同“屋下架屋”。