To finally be done with something often said when one hopes to have resolved an issue permanently.
किसी चीज़ से आख़िरकार छुटकारा पाना
English Usage: "I hope we finally hear the last of this argument."
Hindi Usage: "मैं उम्मीद करता हूँ कि हमें इस बहस से आख़िरकार छुटकारा मिल जाएगा।"