

My little sister has chickenpox right now.
[ˈmaɪ ˈlɪtl̩ ˈsɪstər ˈhæz ˈtʃɪkɪnˌpɑks ˈraɪt ˈnaʊ.]
Have you ever had chickenpox as a child?
[həv ju ˈɛvər ˈhæd ˈtʃɪkɪnˌpɑks əz ə ˈtʃaɪəld?]
Half the class was off with chickenpox.
[ˈhæf ðə ˈklæs wəz ˈɔf ˈwɪθ ˈtʃɪkɪnˌpɑks.]
"chickenpox" is in the lesson "Sickness" (Level 9), along with 17 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.