

Aus welchem Grund bist du heute so müde?
[ˈaʊ̯s ˈvɛlçm̩ ˈɡrʊnt ˈbɪst ˈduː ˈhɔɪ̯tə ˈzoː ˈmyːdə?]
For what reason are you so tired today?
Es gibt keinen Grund, dir Sorgen zu machen.
[ˈɛs ˈɡiːpt ˈkaɪ̯nən ˈɡrʊnt, ˈdiːɐ̯ ˈzɔrɡn̩ ˈtsuː ˈmaxn̩.]
There's no reason to worry.
Die Gründe für Kopfschmerzen können ganz verschieden sein.
[ˈdiː ˈɡrʏndə ˈfyːɐ̯ ˈkɔpfˌʃmɛrtsn̩ ˈkœnən ˈɡants fɛɐ̯ˈʃiːdn̩ ˈzaɪ̯n.]
The causes of headaches can vary widely.
"der Grund" is in the lesson "Head" (Level 44), along with 11 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.