pour/throw cold water on
US /pɔr/θroʊ koʊld ˈwɔtər ɑn/
UK /pɔr/θroʊ koʊld ˈwɔtər ɑn/

1.
gettare acqua fredda addosso, scoraggiare
to say or do something that discourages someone or makes them feel less enthusiastic about something
:
•
She was excited about her new business idea, but her parents poured cold water on it.
Era entusiasta della sua nuova idea imprenditoriale, ma i suoi genitori le hanno gettato acqua fredda addosso.
•
Don't throw cold water on his plans; he's really trying hard.
Non gettare acqua fredda sui suoi piani; ci sta provando davvero tanto.