子虚乌有 (zǐ xū wū yǒu) | Meaning: (idiom) to have no basis in fact; to be the product of sb's imagination | Chinese Idiom with Pinyin & Origin

lit. chasing the wind and clutching at shadows (idiom); fig. groundless accusations · to act on hearsay evidence捕风捉影bǔ fēng zhuō yǐng

absurd · preposterous · ridiculous荒诞不经huāng dàn bù jīng

imaginary · virtual · to imagine · hypothesis假想jiǎ xiǎng

(idiom) to go up in smoke; to vanish化为乌有huà wéi wū yǒu

(idiom) (lit. and fig.) mirage海市蜃楼hǎi shì shèn lóu

(idiom) to have no basis in fact; to be the product of sb's imagination