英语翻译

It is widely avoided that speaking loudly in the public.Today I am going to talk about it.once upon a time,I was on a bus bound for school,and on that bus,I met a woman about 50 years old,she was talking on the phone in a loud voice,and that made cannot hear the news clearly,then I cannot beared it and asked her whether she could low down her voice,but she said that was none of her business.I got quite awkward.So I want to tell you that we should be a polite student!