

I love the sound of the violin.
[aɪ ˈləv ðə ˈsaʊnd əv ðə ˌvaɪəˈlɪn.]
What is that strange sound?
[ˈwɑt ˈɪz ˈðæt ˈstreɪndʒ ˈsaʊnd?]
Turn up the sound, please.
[ˈtɜrn ˈəp ðə ˈsaʊnd, ˈpliz.]
"sound" is in the lesson "Music" (Level 21), along with 11 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.