burst someone's bubble idiom
打破某人的幻想;使某人幻灭;泼人冷水
to say or do something that shows someone that their beliefs are false, or that what they want to happen will not happen
He was so happy about marrying Maria Luisa, I couldn't burst his bubble. 他特别开心能娶到玛丽亚·路易莎，我无法泼他冷水。
I hate to burst your bubble, but that's never going to happen. 我不得不告诉你实话，但那是永远不会发生的。| 我并不是想要打击你，但你的梦想绝不可能实现。