

Dieser Lärm macht mich noch wahnsinnig.
[ˈdiːzɐ ˈlɛrm ˈmaxt ˈmɪç ˈnɔx ˈvaːnzɪnɪç.]
This noise is going to drive me crazy.
Bist du wahnsinnig, so schnell zu fahren?
[ˈbɪst ˈduː ˈvaːnzɪnɪç, ˈzoː ˈʃnɛl ˈtsuː ˈfaːrən?]
Are you crazy, driving so fast?
Nur ein wahnsinniger Mensch fährt bei diesem Wetter Motorrad.
[ˈnuːɐ̯ ˈaɪ̯n ˈvaːnzɪnɪɡɐ ˈmɛnʃ ˈfɛːɐ̯t ˈbaɪ̯ ˈdiːzəm ˈvɛtɐ moːˈtoːɐ̯raːt.]
Only a crazy person would ride a motorcycle in this weather.
"wahnsinnig" is in the lesson "Negative traits" (Level 27), along with 9 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.