

Это пока грубый план, мы его доработаем.
This is just a rough plan for now; we'll work on it some more.
У папы грубые руки от тяжёлой работы.
Dad's hands are rough from hard work.
Не будь таким грубым с официантом.
Don't be so rude to the waiter.
"грубый" is in the lesson "Adjectives 7" (Level 45), 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.