床上安床 | redundant repetition

chuáng床shàng上ān安chuáng床

to do something redundant or superfluous; to make an unnecessary repetition; to add something where it is not needed.

这个方案已经很完善了，再加这些细节就有点像床上安床，多此一举了

This plan is already very complete; adding these details would be like putting a bed on a bed, an unnecessary move.

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Ancient

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