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敲门的砖石,门敲开后就被抛弃。比喻骗取名利的初步的工具。
[a brick picked up to knock on the door and thrown away when it has served its purpose—a stepping-stone to success] 拣砖头敲门,门开后即弃砖。比喻谋求名利的手段 这是敲门砖,敲开便丢下他。我们既作了官,做诗何用。——明· 西湖居士《春游》