a done deal
US /ə dʌn diːl/
UK /ə dʌn diːl/

1.
urusan yang selesai, perjanjian muktamad
a final agreement or decision that cannot be changed
:
•
The contract is signed, so it's a done deal.
Kontrak sudah ditandatangani, jadi ia urusan yang selesai.
•
Don't worry, the merger is a done deal; the announcement will be made next week.
Jangan risau, penggabungan itu urusan yang selesai; pengumuman akan dibuat minggu depan.