科幻 (kēhuàn): science fiction

Meanings

Science + fantasy — science fiction.

Tā xǐhuān kàn kēhuàn diànyǐng.

He likes watching sci-fi movies.

Zhè běn kēhuàn xiǎoshuō fēicháng jīngcǎi.

This science fiction novel is very exciting.

usage

科幻 is short for 科学幻想 (science fantasy). It's used as a modifier: 科幻片 (sci-fi film), 科幻小说 (sci-fi novel), 科幻迷 (sci-fi fan).

三体 Sāntǐ

The Three-Body Problem

Novel by Liu Cixin (刘慈欣), China's most famous science fiction work, winner of the Hugo Award.

科 kē

幻 huàn