How the word "nineteen" is translated into English
My girlfriend is nineteen years old.
[ˈmaɪ ˈɡɜrlˌfrɛnd ˈɪz naɪnˈtin ˈjɪrz ˈoʊld.]
The jacket costs nineteen dollars.
[ðə ˈdʒækət ˈkɔsts naɪnˈtin ˈdɑlərz.]
Is the hotel room number nineteen?
[ˈɪz ðə hoʊˈtɛl ˈrum ˈnəmbər naɪnˈtin?]
"nineteen" 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.