靠大樹

Simplified: 靠大树

kàodàshù ㄎㄠˋ ㄉㄚˋ ㄕㄨˋ

    • to depend on a powerful person for protection
    • to have a powerful backer

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
lean on a big tree
Meaning
To depend on an elder or a powerful person for protection. Close to "have a powerful backer". Can be mildly critical.

Sources