How easy is it to travel in Russia with no knowledge of the langauge?

My experience is telling me: it's not easy at all to travel in Russia if you don't know their language. I went to Moscow this Feb, the place is very beautiful, but got a little bit frustrated too cause few people can speak english, and most signs and instructions in public places do not have english translation. For example, restaurant, metro stations(have to say the Moscow metro is really the most beautiful one so far i've ever seen, don't miss that!) and some shops. But we are lucky cause i have a Russian friend to be our guide, she and her husband really helped us a lot. So, besides the language barrier, Russia is very beautiful, people there are very kind, and i kind of like the Russia food too. :) Enjoy Russia but better fully prepared before departure!