Definition
To diminish someone's confidence or enthusiasm, typically by saying or doing something unexpected.
打击某人的自信心或决心
I was all set to tell him we were through, but he greeted me with a big bunch of flowers—it really took the wind out of my sails.
我本来准备好要告诉他我们结束了，但他用一大束花迎接我——这真的让我感到泄气。
She was about to begin her presentation when a technical issue arose, which took the wind out of her sails.
她正要开始她的演讲时，出现了技术问题，这让她感到泄气。
I was very excited about the project, but when I found out the budget had been cut, it took the wind out of my sails.
我对这个项目非常兴奋，但当我发现预算被削减时，我感到很泄气。