chuángshàngshīchuáng床上施床四字成语ABCA式成语结构偏正式感情贬义年代古代热度一般繁体牀上施牀拼音chuáng shàng shī chuáng解释比喻多余和重复。用法作谓语、宾语;指多此一举出处北齐 颜之推《颜氏家训 序致》:“晋魏已来所着诸子,理重事复,递相模效,犹屋下架屋,床上施床耳。”例句唐·刘知畿《史通·断限》:“盖以水济水,床上施床,徒有其烦,竟无其用,岂非惑乎?”近义词床上叠床 床下安床 英语try to fit on a bed where there is a bed already