出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第180页(196字)
比喻暗中玩弄手法,以假代真,以劣代优,例奸商用偷梁换柱的手法欺骗顾客,牟取暴利。
To make big profits,unscrupulous merchants cheat their customers by substituting the fake for the genuine