頂梁柱

Simplified: 顶梁柱

dǐngliángzhù ㄉㄧㄥˇ ㄌㄧㄤˊ ㄓㄨˋ

    • pillar
    • backbone

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
the pillar holding up the beam
Meaning
An indispensable key person, such as the main breadwinner or the mainstay of a team. Approving.

Sources