Definition
An idiom used to indicate that a task or activity is completed, often used in filmmaking to signal the end of a shooting session to actors and crew.
（電影）拍摍完成！
Okay everyone, that scene is done, it's a wrap!
好了各位，這場戲完成了，收工了！
After a long day, the director finally said, 'Alright, it's a wrap!'
經過漫長的一天，導演終於說：『好了，收工了！』
The project is finally done, we can now say that it's a wrap.
這個項目終於完成了，我們現在可以說：『收工了！』