这项工程的完成付出了巨大的代价。

Zhè xiàng gōngchéng de wánchéng fùchūle jùdà de dàijià.

The completion of this project came at a great cost.

他为成功付出了很大的代价。

Tā wèi chénggōng fùchūle hěn dà de dàijià.

He paid a high price for success.

在战争中，双方都付出了沉重的代价。

Zài zhànzhēng zhōng, shuāngfāng dōu fùchūle chénzhòng de dàijià.

In the war, both sides paid a heavy price.