

Tengo diecisiete años.
[ˈteŋɡo djeθiˈsjete ˈaɲos.]
I'm seventeen years old.
¿Cuesta diecisiete euros?
[¿ˈkwesta ðjeθiˈsjete ˈewɾos?]
Does it cost seventeen euros?
Hay diecisiete estudiantes en mi clase.
[ˈaj ðjeθiˈsjete estuˈðjantes em mi ˈklase.]
There are seventeen students in my class.
"diecisiete" is in the lesson "Numbers" (Level 3), along with 19 other useful words. LinDuo has 180 topic lessons like this one, 2,369 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.