alien concept (外星概念)

Idiom Science fiction

含义

something unfamiliar or strange

一些陌生或奇怪的东西 (yīxiē mòshēng huò qíguài de dōngxī)

例句

"Honesty seems like an alien concept to him."

"诚实对他来说就像一个外星概念。" (Chéngshí duì tā lái shuō jiù xiàng yīgè **wàixīng gàiniàn**.)