

Моему другу девятнадцать лет.
My friend is nineteen years old.
Магазин закрывается в девятнадцать часов.
The store closes at 19:00.
Ты сказал девятнадцать или девяносто?
Did you say nineteen or ninety?
"девятнадцать" is in the lesson "Numbers" (Level 3), along with 19 other useful words. LinDuo has 180 topic lessons like this one, 2,380 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.