

Господин Петров сейчас на важном совещании.
Mr. Petrov is in an important meeting right now.
Вы не видели сегодня господина Смирнова?
Have you seen Mr. Smirnov today?
Скажите, господин Орлов, когда вы приедете?
Tell me, Mr. Orlov, when will you arrive?
"господин" is in the lesson "Heritage" (Level 23), along with 10 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.