dié​chuáng​jià​wū

needless duplication

Senses

叠床架屋/ 疊床架屋 dié​chuáng​jià​wū needless duplication

Literally "piling a bed on a bed or building a house on top of a house"; used to describe unnecessary repetition or redundant layers of organization.

References

see 叠床架屋/疊床架屋 屋下架屋/屋下架屋
see 叠床架屋/疊床架屋 床上施床/床上施床
synonym 屋上架屋/屋上架屋 叠床架屋/疊床架屋