once in the three kingdoms period (220-280), the duke of the wei, cao rui, planed to select a very capable man to work for him. he said to his ministers: 'when choosing a talented person, always beware of one with a false reputation. a false reputation is just like a picture of a cake; it can' t ease hunger.'

　　译文

　　三国时代魏国的皇帝曹睿，准备选拔一个有才能的人到朝廷来做官。曹睿对他的大臣说：“选择人才，不能光找有虚名的人。虚名好像是画的一块饼，只能看，不能解决肚子饥饿的问题啊!”

　　寓意

　　后来人们就用“画饼充饥”这个成语比喻用空想安慰自己，不能解决实际问题。

　　later, this idiom came to be used to mean comforting oneself with unrealistic thoughts, without solving practical problems.

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（实习编辑：高奕飞）