發燒友

Simplified: 发烧友

fāshāoyǒu ㄈㄚ ㄕㄠ ㄧㄡˇ

    • fan
    • zealot

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
fever friend
Meaning
An enthusiast, a fan who is crazy about something, such as audio equipment. Fairly neutral, affectionate. Like 'buff' or 'fanatic'.

Sources