dampener
noun (British English)(also damper British and North American English)
(informal)- dampener (on something)
a thing that makes something less pleasant, successful, etc. 抑制；使扫兴；使沮丧 Lily isn't letting motherhood put a dampener on her social life. 莉莉不会让做母亲的事影响她的社交生活。 The only dampener on the show was the rain at the closing ceremony. 唯一令演出扫兴的是闭幕式上的雨。