

Du sprichst sehr gut Deutsch.
[ˈduː ˈʃprɪçst ˈzeːɐ̯ ˈɡuːt ˈdɔɪ̯tʃ.]
You speak German very well.
Ich habe heute nicht gut geschlafen.
[ˈɪç ˈhaːbə ˈhɔɪ̯tə ˈnɪçt ˈɡuːt ɡəˈʃlaːfn̩.]
I didn't sleep well last night.
Kannst du gut kochen?
[ˈkanst ˈduː ˈɡuːt ˈkɔxn̩?]
Are you good at cooking?
"gut" is in the lesson "Adverbs 5" (Level 41), along with 10 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.