ADJ 外国的;异族的 Alien means belonging to a different country, race, or group, usually one you do not like or are frightened of.
He said they were opposed to the presence of alien forces in the region. 他说他们反对外国军队驻扎在该地区。
ADJ-GRADED 怪异的;可怕的;异己的 You use alien to describe something that seems strange and perhaps frightening, because it is not part of your normal experience.
His work offers an insight into an alien culture. 他的作品能让人们对一种异域文化产生较深入的了解。
ADJ-GRADED 陌生的;格格不入的;不相容的 If something is alien to you or to your normal feelings or behaviour, it is not the way you would normally feel or behave.
Such an attitude is alien to most businessmen. 大多数商界人士都会对这样的态度感到陌生。
N-COUNT 外国人 An alien is someone who is not a legal citizen of the country in which they live.
Both women had hired illegal aliens for child care... 两个女人都曾雇过非法入境者照看孩子。
When war broke out, he was interned as an enemy alien. 战争爆发时,他作为敌国人士遭到关押。
外星人 In science fiction, an alien is a creature from outer space.