be done and dusted

US /bi dʌn ænd ˈdʌstɪd/
UK /bi dʌn ænd ˈdʌstɪd/
"be done and dusted" picture
1.

helemaal afgerond, klaar

to be completely finished or successfully completed

:
Once this report is submitted, the whole project will be done and dusted.
Zodra dit rapport is ingediend, is het hele project helemaal afgerond.
Let's get this task done and dusted before lunch.
Laten we deze taak helemaal afgerond hebben voor de lunch.