

My middle name is John.
[ˈmaɪ ˈmɪdl̩ ˈneɪm ˈɪz ˈdʒɑn.]
She's the middle child in her family.
[ˈʃiz ðə ˈmɪdl̩ ˈtʃaɪəld ˈɪn ˈhɜr ˈfæmli.]
Is the middle seat free?
[ˈɪz ðə ˈmɪdl̩ ˈsit ˈfri?]
"middle" is in the lesson "Adjectives 5" (Level 38), along with 10 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.