大功告成[dà gōng gào chéng]
词典success：成功，成就；好成绩，好结果；成功的人（或物）。
词典be accomplished：大功告成。
词典be crowned with success：大功告成；功成业就。
词典be brought to successful completion：大功告成。
词典ring the bell：鸣钟，成功；大功告成。
大功告成[dà gōng gào chéng]
(of a project, work, etc.) be accomplished; be crowned with success; be brought to successful completion; ring the bell; end in a satisfactory way; finish nicely; The task is accomplished.; The great task has been completed.; One's purpose has been achieve
例：水坝已大功告成。
The dam is accomplished.
1. It's all over：it's about time. 时间差不多了. | it's all over. 大功告成. | it's an emergency. 十万火急.
2. Here it goes：Okay.|好吧 | Here it goes.|大功告成 | Oh my God!|天啊!
3. crowned with success：createve spirit 独创精神 | crowned with success 大功告成 | Decline sth 婉言拒绝