The flood cut the townspeople off from the rest of the world.

洪水割断了该镇居民与外界的联系。

《新英汉大辞典》

We become a fragment, cut off from the rest of existence.

我们成了一个片段，与其它存在剥离开来。

youdao

For the man who has cut himself off from life, tragedy is intensely painful because contradictions arise not only inside himself but also between him and the rest of the world.

对于那些生命日渐缩短的人而言，悲剧是一种强烈的痛苦，因为矛盾不仅在他的内心升起，同样在他与剩余的世界。

youdao

And not only are the Greeks as a whole cut off from the rest of the world, but Greece itself, which used to be an area of easy exchange, where people could go from one place to the other and did, localism now comes into the picture.

而且不仅是希腊人作为一个群体被排除在,世界之外,希腊内部也出现了问题,它曾经也是一个贸易中心,人们从其他地方赶来又走向另一个地方,而此时,地方主义开始兴起

耶鲁公开课 - 古希腊历史简介课程节选

Cut off from the rest of the world, the Icelanders have maintained an extraordinary continuity with their ancestors.

BBC: Iceland on horseback

Until recently, the Tsimane' were almost entirely cut off from the rest of Bolivian society.

ECONOMIST: Your parents were right. Patience is a virtue

Nuristan is geographically cut off from the rest of Afghanistan and has next to no infrastructure, few medical facilities and endemic corruption.

BBC: Afghanistan's Nuristan province 'at mercy of the Taliban'