二传手

Traditional (Taiwan): 二傳手

èrchuánshǒu ㄦˋ ㄔㄨㄢˊ ㄕㄡˇ

    • go-between who passes things on without originating them
    • setter

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
second-pass player
Meaning
From volleyball: a go-between who passes things on and does not originate them. Often slightly belittling.

Sources