damper
noun /ˈdæmpə(r)/
/ˈdæmpər/
- a piece of metal that can be moved to allow more or less air into a fire so that the fire burns more or less strongly
（调节空气流量，控制炉火燃烧的）风门，气闸，挡板 - a device in a piano that is used to reduce the level of the sound produced
（钢琴的）制音器，减音器 - (British English also dampener)damper (on something) (informal) a thing that makes something less pleasant, successful, etc.
抑制；使扫兴；使沮丧 - Lily isn't letting motherhood put a damper on her social life.
莉莉不会让母亲身份影响她的社交生活。 - The only damper on the show was the rain at the closing ceremony.
这场演出唯一令人扫兴的是闭幕式上的雨。
- Lily isn't letting motherhood put a damper on her social life.