completed, finished
Si no hubiera sido por tu ayuda, no podría haber completado el trabajo.
If it hadn't been for your help, I wouldn't have been able to complete the work.
El nuevo ferrocarril aún no se ha completado.
The new railway has not yet been completed.
Se ha completado la primera fase de la construcción.
The first phase of construction has been completed.
El trabajo debe ser completado de una vez.
The job must be completed in one go.