Definition
To spoil someone's plans or enthusiasm.
潑冷水；掃興；破壞別人的興致
I don't want to rain on your parade, but this project might not be as successful as you expect.
我不想潑你冷水，但這個專案可能不會像你預期的那麼成功。
She always likes to rain on other people's parades, which is very discouraging.
她總是喜歡潑別人冷水，這真的很讓人沮喪。
I was really looking forward to the trip, but his negative comments really rained on my parade.
我真的很期待這次旅行，但他的負面評論真的讓我掃興。