I often think about my friends back home.

我常常想起老家的朋友。

《牛津词典》

Back home, things appear, on the surface, simpler.

回到家后，事情表面上看起来简单一些。

《柯林斯英汉双解大词典》

I can't wait to get back home.

我急不可待想赶回家。

《牛津词典》

Many people paid the money to send telegrams to their families back home to say they had arrived safely in Skagway.

VOA: special.2009.02.11

None of these noblemen, none of these kings, none of these heroes is back home in his own town ruling it.

没有哪一个贵族,国王或是英雄,会甘愿呆在自己的家乡当统治者

耶鲁公开课 - 古希腊历史简介课程节选

it just so happened that two other people I know from back home transferred the same time I did.

刚好我在家认识的两个人也和我同时转过来了。

留学生的适应期 - SpeakingMax英语口语达人

Isaak thoroughly enjoyed the experience, but also became nostalgic for her friends back home.

BBC: The trip that transformed me: The student at sea

We were facing the sort of never-ending delay that would have provoked universal apoplexy back home in London.

BBC: Africa��s path less sailed

And borrowers had to bring their capital back home to pay off their debts.

FORBES: Keep An Eye On The Carry Trade As Rates Rise