the die is cast

意味

a decision has been made and now cannot be undone

決定が下され、もう取り消せない.

例文

1. 1Once we'd signed the papers and paid the deposit, the die was cast.
2. 2I've handed in my notice, so the die is cast.
3. 3The invitations have gone out and the venue is paid for, so the die is cast.
4. 4When Maria posted the letter, she knew the die was cast and there was no going back.
5. 5Tom has accepted the job in Canada; the die is cast, and he leaves in May.

文法

固定した節。変化するのは is だけで、過去では was になる。die はここでは dice の古い単数形。

似た意味の表現