spoilsport

美 [ˈspɔɪlˌspɔrt]
英 [ˈspɔɪlˌspɔː(r)t]
  • n.扫兴的人
  • 网络扫兴者;使人扫兴的人
复数:spoilsports  
spoilsport
n.
1.
扫兴的人a person who spoils other people's enjoyment, for example by not taking part in an activity or by trying to stop other people from doing it
Don't be such a spoilsport!
别让人扫兴!