wipe the smile off someone's face
US /waɪp ðə smaɪl ɔf ˈsʌm.wʌnz feɪs/
UK /waɪp ðə smaɪl ɔf ˈsʌm.wʌnz feɪs/

1.
quitar la sonrisa de la cara a alguien, bajarle los humos a alguien
to make someone stop feeling happy or confident, often by doing something unpleasant or by revealing an unpleasant truth
:
•
Winning the championship will really wipe the smile off their face.
Ganar el campeonato realmente les quitará la sonrisa de la cara.
•
The bad news quickly wiped the smile off her face.
La mala noticia rápidamente le borró la sonrisa de la cara.