畫餅充飢 [ㄏㄨㄚˋ ㄅㄧㄥˇ ㄔㄨㄥ ㄐㄧ; hua4 bing3 chong1 ji1] lit. to allay one's hunger using a picture of a cake to feed on illusions (idiom) ◄ ►