

Vor Wut knirschte er mit den Zähnen.
[ˈfoːɐ̯ ˈvuːt ˈknɪrʃtə ˈeːɐ̯ ˈmɪt ˈdeːn ˈtsɛːnən.]
He ground his teeth in anger.
Nachts knirscht meine Tochter vor Stress mit den Zähnen.
[ˈnaxts ˈknɪrʃt ˈmaɪ̯nə ˈtɔxtɐ ˈfoːɐ̯ ˈʃtrɛs ˈmɪt ˈdeːn ˈtsɛːnən.]
At night my daughter grinds her teeth because of stress.
Hör auf, mit den Zähnen zu knirschen, das macht mich wahnsinnig!
[ˈhøːɐ̯ ˈaʊ̯f, ˈmɪt ˈdeːn ˈtsɛːnən ˈtsuː ˈknɪrʃn̩, das ˈmaxt ˈmɪç ˈvaːnzɪnɪç!]
Stop grinding your teeth, it's driving me crazy!
"knirschen" is in the lesson "Emotions" (Level 19), 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.