天花亂墜

- as if it were raining flowers; an exaggerated tale or account elaborate in high-flown phraseology; flowers cascading from the sky -- an extravagantly colourful description; flowers drifting down pell-mell from the sky in profusion; give an extravagant account [extravagant terms] of ...; laud sth. to the skies; praise in superlative terms; talk about sth. in superlative terms; talk sb.'s head off; (talk) until the roof falls down