

Это просто невозможно!
This is simply impossible!
Здесь невозможно спокойно думать.
It's impossible to think calmly here.
Разве это невозможно объяснить?
Is it really impossible to explain this?
"невозможно" is in the lesson "Philosophy" (Level 44), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 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.