I would like some suggestions on the english language problem for three weeks travel.

hi there...I am planning a trip to china and will spend 3 weeks there,,first stop nanning to meet a friend and then I would like to travel to beihai and guilin before flying out of hongkong...I would like some suggestions on the english language problem as I don't speak any mandarin,,arriving somewhere getting to a hotel etc,,what to watch out for while travelling....thanks..