

My son has a high fever tonight.
[ˈmaɪ ˈsən həz ə ˈhaɪ ˈfivər təˈnaɪt.]
Take this medicine if the fever doesn't go down.
[ˈteɪk ˈðɪs ˈmɛdəsən ˈɪf ðə ˈfivər ˈdəzn̩t ˈɡoʊ ˈdaʊn.]
Both kids had fevers after the school trip.
[ˈboʊθ ˈkɪdz ˈhæd ˈfivərz ˈæftər ðə ˈskul ˈtrɪp.]
"fever" is in the lesson "Treatment" (Level 13), along with 14 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.