/ˈænsəˌlɛri ˈækʃən/ – Phrase
Definition: xét xử theo yêu cầu phụ.
A more thorough explanation: An ancillary action refers to a legal proceeding that is related to or dependent on another main legal action. It is typically a separate but related legal proceeding that is necessary to support or complement the main action.
Example: The ancillary action of filing a motion for summary judgment helped to streamline the litigation process.