twist the knife (in the wound)
US /twɪst ðə naɪf ɪn ðə wuːnd/
UK /twɪst ðə naɪf ɪn ðə wuːnd/

1.
virar a faca na ferida, colocar o dedo na ferida
to make a bad situation even worse for someone, especially by reminding them of their failures or weaknesses
:
•
After he lost the game, his opponent decided to twist the knife by mocking his performance.
Depois que ele perdeu o jogo, seu oponente decidiu virar a faca na ferida zombando de sua performance.
•
She already felt terrible about her mistake, so his sarcastic comment just twisted the knife.
Ela já se sentia péssima com o erro, então o comentário sarcástico dele apenas virou a faca na ferida.