alien

• 形容陌生的、异质的、格格不入的或奇怪的事物；也指外星的、来自其他世界的生物。

Describes something that is unfamiliar, foreign, or strange; also used to refer to extraterrestrial beings.

1. Foreign or unfamiliarB1formal

   Belonging to a different country, culture, or environment; strange or unfamiliar.

   外来的

   • The customs of the tribe were alien to the visitors.
   • His ideas seemed alien to the traditional way of thinking.
   • The language sounded completely alien to her ears.

   同义词bizarreexoticexternalforeignoutlandishoverseasstrangeunaccustomedunfamiliarunknown

   反义词familiarindigenouslocalnative

2. ExtraterrestrialA2informal

   Relating to beings or things from outer space.

   外星的

   • The movie featured an alien spaceship landing on Earth.
   • Scientists search for alien life forms in distant galaxies.
   • He dressed up as an alien for the costume party.

   同义词extraterrestrialotherworldlyspaceunearthly

• 来自其他世界的生物，或指某个地方的外国人、外乡人。

A noun referring to a foreigner, a non-native, or a being from another world; also used to describe something unfamiliar or estranged.

1. Extraterrestrial beingA2informal

   A hypothetical or fictional creature from outer space.

   外星人

   • The movie is about aliens invading Earth.
   • He claims he saw an alien spaceship last night.
   • Children often imagine what aliens look like.

   同义词extraterrestrialmartian

2. Foreigner or outsiderB1formal

   A person who is not a citizen of the country they are living in; a foreigner.

   外国人

   • The government requires all aliens to register with the authorities.
   • He felt like an alien in the new city.
   • The law applies to both citizens and resident aliens.

   同义词foreignerimmigrantnewcomernoncitizenoutlanderoutsider

   反义词citizennationalnative