

Mein Sohn hat seit gestern Fieber.
[ˈmaɪ̯n ˈzoːn ˈhat ˈzaɪ̯t ˈɡɛstɐn ˈfiːbɐ.]
My son has had a fever since yesterday.
Hast du noch Fieber?
[ˈhast ˈduː ˈnɔx ˈfiːbɐ?]
Do you still have a fever?
Das Fieber ist heute nicht so hoch.
[das ˈfiːbɐ ˈɪst ˈhɔɪ̯tə ˈnɪçt ˈzoː ˈhoːx.]
The fever isn't so high today.
"das Fieber" is in the lesson "Treatment" (Level 13), along with 13 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.