

Wir müssen das Projekt bis Freitag fertigstellen.
[ˈviːɐ̯ ˈmʏsn̩ das proˈjɛkt ˈbɪs ˈfraɪ̯taːk ˈfɛrtɪçˌʃtɛln̩.]
We have to finish the project by Friday.
Wann wird die neue Brücke endlich fertiggestellt?
[ˈvan ˈvɪrt ˈdiː ˈnɔɪ̯ə ˈbrʏkə ˈɛntlɪç ˈfɛrtɪçɡəʃtɛlt?]
When will the new bridge finally be completed?
Hast du den Bericht für den Chef schon fertiggestellt?
[ˈhast ˈduː ˈdeːn bəˈrɪçt ˈfyːɐ̯ ˈdeːn ˈʃɛf ˈʃoːn ˈfɛrtɪçɡəʃtɛlt?]
Have you finished the report for the boss yet?
"fertigstellen" is in the lesson "Verbs 11" (Level 23), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.