

Мой коллега — ужасный болтун, работать мешает.
My colleague is a terrible chatterbox; he keeps me from working.
Не будь болтуном, никому об этом не рассказывай.
Don't be a blabbermouth; don't tell anyone about this.
Терпеть не могу болтунов в кинотеатре.
I can't stand people who talk in the movie theater.
"болтун" is in the lesson "Status" (Level 35), 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.