How to say 'shut up' in Russian. Well, one way of saying shut up would be Za-mohl-chee. That hits the accent on the last syllable. One more time, nice and slow. Za-mohl-chee. And now, slightly quicker, замолчи. Give it a shot. Okay, fine.
Another way of saying shut up in Russian would be Mohl-chyats. That hits the accent as well on the second syllable. I'll say it nice and slow. Mohl-chyats. And one more time. Mohl-chyats. And now more conversationally, mohl-chyats. Give it a shot. Great.
Now if you really wanted someone to shut the hell up, you would say zat-kneess. The accent on that as well is on the second syllable. One more time. Zat-kneess. One more time slower. Zat-kneess. And now as you would say it in regular life. Zat-kneess. Give it a shot. Great.
Finally, if you wanted to tell someone to shut your mouth, you could say za-kroy rot. The accent on that first word, za-kroy, which means shut or close, is on the second syllable, and rot is the word for mouth. So putting it together, za-kroy rot. One more time nice and slow, za-kroy rot. And now saying it with emphasis. Za-kroy rot. Now you try. Great. So that's how you say 'shut up' in Russian.