我为你写的评论：（顺便帮你翻译成中文）
There are so many pities in a lifetime such as leaving ones own hometown because of study outside.
译文：世间有很多憾事,（文中所言的）由于在外求学而不得不远离家乡也不例外.
whenever thinks about it,one will be sad to tears.
译文：每当想起这令人伤感的事,就禁不住潸然泪下.
since my hometown is as lonely as my life,when I working hard to
study for her.
远离故乡为故乡而发愤图强的日子里,故乡母亲也一样体味着孤独与寂寞.
yes!
for her——for my hometown!
是的!（发愤图强）
为了我的故乡——我的母亲!