下面有几个句子 英语好的人麻烦帮我翻译一下！

你认为一个人要做什么才能成为一个幸福的人?（to be a happy person)
What is your opinion on how to be a happy person?

自从她去年离开上海去重新过她的农村生活后，我的心里一直很失落。(a void finds its way into ...）
Eversince she left Shanghai for her life in the village, a void finds its way into my heart.

我甚至没想过他会中头奖。（cross one's mind)
It never cross one's mind that he will win first prize!

我是在大城市长大的，忙忙碌碌的生活（rat race)对我不在新鲜了。（grow up)
I grew up in big cities and rat race is nothing new to me.

How to be a happy person in your opinion.

A void finds its way into my heart since she left Shanghai for a brand-new village life last year.

It never crosses my mind that he wins the top prize!

I grew up in a big cities so rat race is nothing fresh to me.

what should be done if someone wants to be a happy person do you think
my heart has been very frustrated since she avoid shanghai find its way into countryside
It has never cross my mind that he would win a prise in a lottery
I was grow up in a big city ，it's not fresh to me to the rat race

what do you think one should do to be a happy person?
i has been upset since she left shanghai to live a countryside life last year.
i don't cross my mind that he can win the top prize.
i grow up in a big city, so the rat race is not fresh to me.