rub salt in the wound
US /rʌb sɔlt ɪn ðə wund/
UK /rʌb sɔlt ɪn ðə wund/

1.
esfregar sal na ferida, piorar a situação
to make a difficult situation even worse for someone, especially by reminding them of their failures or misfortunes
:
•
Losing the game was bad enough, but then the coach decided to rub salt in the wound by criticizing every player publicly.
Perder o jogo já era ruim o suficiente, mas então o treinador decidiu esfregar sal na ferida criticando cada jogador publicamente.
•
She didn't get the promotion, and to rub salt in the wound, her junior colleague got it instead.
Ela não conseguiu a promoção, e para esfregar sal na ferida, seu colega júnior a conseguiu em vez dela.