twist the knife (in the wound)

US /twɪst ðə naɪf ɪn ðə wuːnd/
UK /twɪst ðə naɪf ɪn ðə wuːnd/
"twist the knife (in the wound)" picture
1.

傷口をえぐる, さらに苦しめる

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.
彼が試合に負けた後、対戦相手は彼のパフォーマンスを嘲笑してさらに傷口をえぐった
She already felt terrible about her mistake, so his sarcastic comment just twisted the knife.
彼女は自分の間違いについてすでにひどく感じていたので、彼の皮肉なコメントはただ傷口をえぐっただけだった。