擎天柱

qíngtiānzhù ㄑㄧㄥˊ ㄊㄧㄢ ㄓㄨˋ

    • person who bears heavy responsibility and plays a decisive role
    • mainstay

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
pillar that holds up the sky
Meaning
A person who bears heavy responsibility and plays a decisive role. Approving.

Sources