

My daughter plays the violin in the school orchestra.
[ˈmaɪ ˈdɔtər ˈpleɪz ðə ˌvaɪəˈlɪn ˈɪn ðə ˈskul ˈɔrkəstrə.]
Have you ever heard a live orchestra?
[həv ju ˈɛvər ˈhɜrd ə ˈlɪv ˈɔrkəstrə?]
Both orchestras are performing at the concert tonight.
[ˈboʊθ ˈɔrkəstrəz ər pərˈfɔrmɪŋ ət ðə ˈkɑnsərt təˈnaɪt.]
"orchestra" is in the lesson "Education" (Level 14), along with 12 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.