
fertigstellen
to complete
To fully finish or bring to completion a task, project, or product.
Der Handwerker wird das Bad bis Ende der Woche fertigstellen.
The craftsman will complete the bathroom by the end of the week.
to complete
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to complete
To fully finish or bring to completion a task, project, or product.
Der Handwerker wird das Bad bis Ende der Woche fertigstellen.
The craftsman will complete the bathroom by the end of the week.
`fertigstellen` (to complete) is a separable verb. The prefix `fertig-` comes at the end in a main clause. In subordinate clauses and in the infinitive with 'zu', the verb stays together.
Wann stellt ihr das Projekt endlich fertig?
When are you finally going to complete the project?
The verb `fertigstellen` (to complete) always requires an accusative object. You always complete 'something'.
Die Autorin muss ihr Manuskript bis morgen fertigstellen.
The author has to complete her manuscript by tomorrow.
`fertigstellen` (to complete) is often used with things that require a process or a longer period of work. Typical objects are: a project, a building, a report, or an order.
Die Baufirma konnte das Haus pünktlich zum Jahresende fertigstellen.
The construction company was able to complete the house on time by the end of the year.
to lock / to complete
Abschließen and fertigstellen can both refer to bringing a project to an end. Abschließen focuses more on the final step or formal completion; fertigstellen emphasizes that the work or product is now completely finished.

Jana stellt den Bericht mit der letzten Korrektur fertig.
Jana completes the report with the final correction.
Jana schließt die Arbeit am Bericht nach der letzten Kontrolle ab.
Jana completes the work on the report after the final check.