jiātíng chéngyuán
form part of the family
In Chinese, '家庭成员' (jiātíng chéngyuán) refers to anyone who is part of a family unit. This can include immediate relatives such as parents, siblings, and children, as well as extended family members like grandparents, aunts, uncles, and cousins. The term emphasizes the connections and relationships that bind people together in a family context.