

Не нужно изобретать велосипед.
There's no need to reinvent the wheel.
Мой сын очень любит изобретать новые игры.
My son really loves inventing new games.
Люди всегда изобретали что-то полезное для дома.
People have always invented useful things for the home.
"изобретать" is in the lesson "Verbs 5" (Level 17), 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.