蜃楼海市

Pinyin: shèn lóu hǎi shì Usage: 联合式；作宾语、定语；含贬义 Explanation: 旧时比喻人世繁华的虚幻。 Source: 清·蒲松龄《聊斋志异·罗刹海市》：“呜呼！显荣富贵，当于蜃楼海市中求耳！” Thesaurus:  absurd and unreasonable, fictitious zilch, flyaway, castle in the air; daydream; ivory tower, a mare's nest, like a dream and a bubble's shadow, Ivory tower