How the word "stumble" is translated into English
I stumbled over a cable and hurt my knee.
[ˈaɪ ˈstəmbəld ˈoʊvər ə ˈkeɪbəl ənd ˈhɜrt ˈmaɪ ˈni.]
Watch out, it's easy to stumble on these stairs.
[ˈwɑtʃ ˈaʊt, ˈɪts ˈizi tu ˈstəmbəl ˈɔn ˈðiz ˈstɛrz.]
Why does he keep stumbling in the dark?
[ˈwaɪ dəz hi ˈkip ˈstəmbəlɪŋ ˈɪn ðə ˈdɑrk?]
"stumble" 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.