the man of the housethe most important male member of a family, who is responsible for doing things such as paying bills, making important decisions etc 男主人，一家之主 Since my father’s death, my eldest brother has been the man of the house. 自从我父亲过世后，我叔叔成了一家之主。
the man of the house• But even when the man of the house was around, she was head of the household and determined all our fortunes.
→ the man of the house at man1(29)