工程 (gōngchéng) means "project" or "engineering work," referring to a large-scale undertaking, especially in construction, infrastructure, or technical fields. It emphasizes the systematic and organized nature of the work. Common collocations include 修复工程 (restoration project) and 建设工程 (construction project).
这个建设工程预计明年年底完工。
Zhège jiànshè gōngchéng yùjì míngnián niándǐ wángōng.
This construction project is expected to be completed by the end of next year.
他在一家大型工程公司当工程师。
Tā zài yī jiā dàxíng gōngchéng gōngsī dāng gōngchéngshī.
He works as an engineer at a large engineering company.
地铁修建是一项非常复杂的工程。
Dìtiě xiūjiàn shì yī xiàng fēicháng fùzá de gōngchéng.
Building a subway is an extremely complex engineering project.