achieve one’s purpose; be brought to successful completion; be crowned with success; accomplish (/finish) sth successfully ❍ 暂时让这穷小子多活两天吧，待来日～，我非杀他个满门灭绝，鸡犬不留。(石文驹《战地红缨》220)Let the beggar live a few days until final victory.Then I’ll wipe out the whole tribe. ❍ 今晚烛火烧了大人鬓发， 正应在经此一战， ～， 兵气销尽， ……(姚雪垠《李自成》 Ⅰ—224) Tonight the flame that burnt your hair was an omen that in this campaign we shall win a great victory and the war will end.
大功告成
be crowned with success;be brought to a successful conclusion
大功告成dà ɡōnɡ ɡào chénɡ
功：指事业。巨大的事业宣告完成。be accomplished, be crowned with success, come off with flying colours, achieve one’s purpose, end in a satisfactory way