取り返しがつかない

irreversible

→ 取り返し

phrase Rare #37,027

irreversible Describes something that cannot be undone or made right, often because of a serious mistake or loss.

JA: 今さら謝っても取り返しがつかない。

EN: It’s too late to apologize now; the damage is irreversible.

You can’t take back words once they’re spoken or blood once it’s shed.

— バーフバリ伝説誕生 (2015)

There's no turning back.

— レオン (1994)

Once words are spoken, they can’t be taken back.

What’s done cannot be undone.