Tā de fāng'àn tīng qǐlái hěn hǎo, dàn shíjì shàng huáérbùshí.
His plan sounds great, but in reality it's all flash and no substance.
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From《左传》(Zuǒzhuàn): 华 originally referred to the flower of a plant, 实 to its fruit. A plant that flowers but bears no fruit — beautiful outside, empty inside.
