We congratulated them on the successful completion of the project.

我们祝贺他们工程顺利竣工。

《牛津词典》

Upon successful completion, you'll see the following

成功完成以后，您将看到以下信息

youdao

You should get a message in the console indicating successful completion.

应该在控制台中看到一条消息，指示已成功完成。

youdao

They were offered in thanksgiving or upon the successful completion of a vow.

在感恩节供奉,或者达成一个誓言的时候供奉。

耶鲁公开课 - 旧约导论课程节选

You have a freewill offering--just because someone wants to do this, a freewill offering. And you have a vow offering that would be offered on the successful completion of a vow, for example. And these sacrifices are all entirely optional.

自由祭品--只因为有人想这么干，自由祭品，还有一个誓言祭品,举个例子，一个誓言如果成功达成，便会供奉祭品，这些祭品都是可选择的。

耶鲁公开课 - 旧约导论课程节选

The Barclays analysts estimate the deal has a 20% or less chance of successful completion.

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Both units will include status reports as well as notification of successful completion of message.

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Most of her student loans get turned into grants upon successful completion of her degree.

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