cut的短语与世隔绝是be cut off from the outside world.
cut：v. 切; 割; 割破; 划破; (用刀等从某物上)切下，割下; (用刀等将某物)切成，割成。
world：n. 世界; 地球; 天下; 某地域(或民族、历史时期等)的人类社会; (像地球的)星球，天体。
扩展资料
There have been large cuts in government funding for scientific research.
政府提供的.科研资金已大幅度削减。
The bus was cut in two by the train.
那辆公共汽车被火车撞成两截。
Hes not cut out for teaching.
他不适于做教学工作。
He cut himself off from all human contact.
他断绝了与所有人的联系。
Government sources indicated yesterday that cuts may have to be made.
政府方面昨天透露，削减可能势在必行。
