异想天开

yìxiǎngtiānkāi

HSK 7

异想天开 — yìxiǎngtiānkāi

1. to imagine wild things; to indulge in fanciful or unrealistic ideas

   他总是异想天开，想开一家太空咖啡馆。 tā zǒngshì yìxiǎngtiānkāi xiǎngkāi yījiā tàikōng kāfēiguǎn — He is always indulging in wild fantasies, wanting to open a space café.