

Mein Bruder wird morgen siebzehn.
[ˈmaɪ̯n ˈbruːdɐ ˈvɪrt ˈmɔrɡn̩ ˈziːptseːn.]
My brother turns seventeen tomorrow.
Unser Hotelzimmer hat die Nummer siebzehn.
[ˈʊnzɐ hoˈtɛlˌtsɪmɐ ˈhat ˈdiː ˈnʊmɐ ˈziːptseːn.]
Our hotel room is number seventeen.
Wir fahren mit dem Bus siebzehn.
[ˈviːɐ̯ ˈfaːrən ˈmɪt ˈdeːm ˈbʊs ˈziːptseːn.]
We're taking the number seventeen bus.
"siebzehn" is in the lesson "Numbers" (Level 3), along with 19 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.