英语翻译错了，是《a beautiful smile>

A beautiful smile
When I was 13 years old,a boy gave me an important gift.It was a smile.
That was my first year of junior high school life,early autumn.And my alma mater in the distance.Result,no one knows who I am.I am very lonely,and afraid to make friends with anyone.
Every time when I heard other students talking,laughing,I felt heartbroken.I can not talk to anyone about my problem,but I do not want parents to worry about me.
One day,my classmates and their friends happy to talk about.The glum as usual I sat at the table.Just then a man got into the classroom.I do not know who he is.He passed to me,and then turned around.He looked at me and smiled and said nothing.
Suddenly,I felt light and friendly touch.It makes me feel happy,full of vitality and warmth.
That smile changed my life.I started talking to other students and friends.Gradually,I became close to them and everyone in the class.Fortunately,the boy with a smile that has become my best friend.
One day I asked him why he smiled.But he did not remember me smile too.
It does not matter,because all the dark days are over.Now I believe that the world is the way you think.If you think you are alone,you may always be lonely,so the world smile,it will return your smile.