act in Chinese

(law, countable) A product of a legislative body, a statute.

The process of doing something.

(countable) A formal or official record of something done.

(countable, drama) A division of a theatrical performance.

(obsolete, transitive) To do (something); to perform.

(intransitive) To behave in a certain manner for an indefinite length of time.

(intransitive, mathematics, construed with on or upon, of an algebraic structure) To possess an action onto (some other structure). Examples include the group action of a group on a set, the action of a ring on a module by scalar multiplication, and the action of a group or algebra on a vector space via a representation.