English → Spanish
damper
/AmE ˈdæmpər 
, BrE ˈdampə /
noun
1 (of piano) sordina f
2 (of chimney) regulador m de tiro
Idiom
to put a damper on sth ():
the bad news put a damper on the celebrations/their hopes la mala noticia estropeó las fiestas/ les hizo perder esperanzas;
if he turns up, it'll put a damper on the entire evening si aparece, nos amargará la noche or nos va a aguar la fiesta