请翻译成英文 谢谢

Question

在同学们的帮助下他努力学习英语
这首歌曲使我想起了我幸福的童年
据我所知三年前他们全家都去了澳大利亚（remind sb of sth)
在农村我们学到了许多书本上学不到的东西
凡是违法的人就应当受到惩罚
为了能按时修建好铁路，工人们日夜不停地工作
彼得不认识那个女孩，她的妹妹是一个著名的钢琴家

Answer 1

He learns English hard with the help of his classmates.
The song reminds me of my happy childhood.
As far as I know,they went to Australia three years ago.
We learned mang things that can't be learnt from textbook in the country.
The people who broke the law should be punlished.
The workers work around the clock so that they can build the railway on time.
Peter doesn't know the girl whose sister is a fomous pianist.

Answer 2

he studies english hard under the help of his classmates

this song reminds me of my happy childhood

as i know, their whole family moved to A...three years ago

we studied many things from country side which were beyond textbook

people who do illegal things should be punished

workers worked day and night in order to finish building the railroad before deadline

peter doesn't know that girl, whose sister is a famous pianist

Answer 3

In the students with the help of his efforts to learn English

This song reminds me of my happy childhood

As far as I know three years ago and his family have to travel to Australia

In rural areas we have learned a lot things you can not go to school books

Any person who illegally should be punished

To be able to build on time and a good railway workers to work around the clock

Peter does not know that girl, her sister was a well-known pianist