Word: 异想天开 (yìxiǎngtiānkāi) Traditional: 異想天開 异想天开 dictionary entry yìxiǎngtiānkāi to imagine the wildest thing Full dictionary entry for 异想天开 Example sentences using 异想天开 2 sentences, showing page 1 of 1. 别异想天开了，这不可能！ Bié yìxiǎngtiānkāi le, zhè bù kěnéng! Stop dreaming up wild ideas, this is impossible! 想一夜变成富翁，真是异想天开。 Xiǎng yí yè biànchéng fùwēng, zhēnshi yìxiǎngtiānkāi. Wanting to become rich overnight is pure wishful fantasy.