

Ich habe heute nichts gegessen.
[ˈɪç ˈhaːbə ˈhɔɪ̯tə ˈnɪçts ɡəˈɡɛsn̩.]
I've eaten nothing today.
Warum sagst du nichts?
[vaˈrʊm ˈzaːkst ˈduː ˈnɪçts?]
Why aren't you saying anything?
Das macht doch nichts, kein Problem.
[das ˈmaxt ˈdɔx ˈnɪçts, ˈkaɪ̯n proˈbleːm.]
That doesn't matter at all, no problem.
"nichts" is in the lesson "Pronouns" (Level 30), 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.