Burst Your Bubble 

To ruin someone’s happy moment or mood, usually by telling them disappointing news or information.When someone is really excited or confident about something, you burst their bubble when you say something to disappoint them.

毀掉一個(gè)人的好心情，通常是告訴他們失望的消息。當(dāng)一個(gè)人處于非常興奮或自信的狀態(tài)時(shí)，你說(shuō)了些掃興的話burst their bubble。

I hate to be the one to burst your bubble, but your school's team didn't win last night.

我討厭做那個(gè)煞風(fēng)景的人，但是你學(xué)校的隊(duì)伍昨晚沒贏。