Killjoy circuit电磁脉冲
Captain Killjoy播放器
killjoy y令人扫兴的人
Killjoy 3邪恶的小丑
a killjoy煞风景的人
Killjoy Goes To Hell煞风景去地狱
N-COUNT（可数名词） If you call someone a killjoy, you are critical of them because they stop other people from enjoying themselves, often by reminding them of something unpleasant. 扫兴者[表不满]
Don't be such a killjoy!
别那么扫兴！