某事 brings you back down to earth 的意思就是这件事情使你从幻想中清醒过来，回到现实中。

例句

I was dreaming of a safari holiday in Tanzania to see the elephants, the cheetahs, the hippos… then I looked at my bank balance and it brought me back down to earth pretty quickly!

Phil had a great time over the weekend. All the emails waiting for him in the office on Monday morning brought him back down to earth.

请注意

To bring the house down 这个短语用来形容艺人在演出时博得观众的满堂喝彩、掌声雷动。

The comedian brought the house down when he told the joke about the two frogs.