

Auf der alten Treppe kann man leicht stolpern.
[ˈaʊ̯f deːɐ ˈaltn̩ ˈtrɛpə ˈkan ˈman ˈlaɪ̯çt ˈʃtɔlpɐn.]
It's easy to trip on the old stairs.
Gestern bin ich über einen Stein gestolpert.
[ˈɡɛstɐn ˈbɪn ˈɪç ˈyːbɐ ˈaɪ̯nən ˈʃtaɪ̯n ɡəˈʃtɔlpɐt.]
Yesterday I tripped over a stone.
Pass auf, dass du nicht über das Kabel stolperst!
[ˈpas ˈaʊ̯f, ˈdas ˈduː ˈnɪçt ˈyːbɐ das ˈkaːbl̩ ˈʃtɔlpɐst!]
Be careful not to trip over the cable!
"stolpern" is in the lesson "Accident" (Level 24), 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.