How the word "eighteen" is translated into English
In my country, you can drive at eighteen.
[ˈɪn ˈmaɪ ˈkəntri, jə kən ˈdraɪv ət ˌeɪtˈtin.]
There are eighteen people at the party.
[ˈðɛr ˈɑr ˌeɪtˈtin ˈpipəl ət ðə ˈpɑrti.]
My daughter isn't eighteen yet.
[ˈmaɪ ˈdɔtər ˈɪzn̩t ˌeɪtˈtin ˈjɛt.]
"eighteen" 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.