- 火星塞 huǒxīngsāi spark plugA device in a gasoline engine that produces a spark to ignite the fuel-air mixture in the cylinder. Also known in mainland China as [[火花塞|火花塞|huo3 hua1 sai1]].
- 火星儿 huǒxīngr sparka tiny bit of fire or glowing particle
- 火星哥 huǒxīnggē Bruno Marsthe nickname of American singer Bruno Mars; literally "Brother Mars"
- 火星人 huǒxīngrén Martian (extraterrestrial)person or inhabitant of the planet Mars
- 火星子 huǒxīngzi sparka tiny bit of fire or a glowing fragment emitted from a burning substance
- 火星快车 huǒxīngkuàichē Mars ExpressSpace exploration mission conducted by the European Space Agency (ESA) to explore Mars, launched in 2003
- 火星撞地球 huǒxīngzhuàngdìqiú massive clashAn intense or destructive collision or clash that leaves both sides shattered; used metaphorically for a fierce conflict between powerful rivals or incompatible forces.
- 火星文 huǒxīngwén Martian script(Internet slang) A cryptic online writing style that replaces standard characters with homophones, symbols, or non-standard grammar to create messages that are difficult for outsiders to read; lit. 'Martian language'.
