1 (also admin /ˈædmɪn ||; ˈædmɪn/) [U] the control or the act of managing sth, for example a system, an organization or a business （系统、组织、业务等的）管理，行政: The administration of a large project like this is very complicated. 这样大的一项工程的管理工作是很复杂的。A lot of the teachers' time is taken up by admin. 行政工作占去老师很多时间。

2 (also admin /ˈædmɪn ||; ˈædmɪn/) [sing] the group of people or part of a company that organizes or controls sth 行政机关；管理部门: the hospital administration 医院的行政部门She works in admin, on the second floor. 她在二楼管理部门工作。

3 oftenthe Administration [C] the government of a country, especially the US 政府（尤指美国的）: the Clinton Administration 克林顿政府