rain on someone's parade
US /reɪn ɑn ˈsʌm.wʌnz pəˈreɪd/
UK /reɪn ɑn ˈsʌm.wʌnz pəˈreɪd/

1.
찬물을 끼얹다, 기분을 망치다
to spoil someone's pleasure or plans
:
•
I don't want to rain on your parade, but I think you should reconsider your decision.
찬물을 끼얹고 싶지는 않지만, 네 결정을 다시 생각해봐야 할 것 같아.
•
He always manages to rain on someone's parade with his negative comments.
그는 항상 부정적인 말로 남의 기분을 망쳐.