4.(lack of contact)疏离；不相往来
5.(loneliness)孤寂；孤独
the isolation and alienation of city life都市生活的孤寂与疏离
Many deaf people have feelings of isolation and loneliness.很多失聪人士都感到孤独寂寞。
6.in isolation
(separately)孤立地；脱离地
Punishment cannot be discussed in isolation from social theory.不能脱离社会理论孤立地讨论惩罚。
(alone)独自地；单独地
Malcolm works in isolation but I have no doubts about his abilities.马尔科姆独自工作, 但我毫不怀疑他的能力。