

Die Wände hier sind sehr dünn.
[ˈdiː ˈvɛndə ˈhiːɐ̯ ˈzɪnt ˈzeːɐ̯ ˈdʏn.]
The walls here are very thin.
Ist das Eis nicht zu dünn?
[ˈɪst das ˈaɪ̯s ˈnɪçt ˈtsuː ˈdʏn?]
Isn't the ice too thin?
Die Jacke ist zu dünn für den Winter.
[ˈdiː ˈjakə ˈɪst ˈtsuː ˈdʏn ˈfyːɐ̯ ˈdeːn ˈvɪntɐ.]
The jacket is too thin for the winter.
"dünn" is in the lesson "Adjectives 3" (Level 7), 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.