ㄉㄤㄐㄧㄚㄗㄨㄛˋㄓㄨˇdāngjiā‑zuòzhǔ

当家作主
  1. 主持管理家務比喻群體組織決策管理

to be in charge in one's own house (idiom)​, to be the master of one's own affairs