大功告成

shuǐ bà yǐ jīng dà gōng gào chéng

水坝已经大功告成。

The dam is accomplished.

jiù zhè yàng bā dà gōng gào chéng

就这样吧。大功告成。

That's it. Mission accomplished.

rú guǒ wǒ men néng jí shí wán gōng jiù suàn de shang shì dà gōng gào chéng le

如果我们能及时完工，就算的上是大功告成了。

It would be quite an accomplishment if we could get this finished in time.

tā zài dà gōng gào chéng zhī qián fàng qì le

她在大功告成之前放弃了。

She gave up on the eve of success.