

Сегодня у меня важный день.
Today is an important day for me.
Это очень важный документ.
This is a very important document.
Это не важный вопрос.
This isn't an important question.
"важный" is in the lesson "Application" (Level 40), along with 12 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.