/ˈɔfɪsər ʌv kɔrt/ – Phrase
Definition: viên chức tòa án.
A more thorough explanation: An officer of the court is a person who has a formal position within the legal system and is authorized to perform certain duties, such as serving legal documents, maintaining order in the courtroom, or providing assistance to the court in carrying out its functions. Officers of the court may include judges, lawyers, bailiffs, court clerks, and other individuals who play a role in the administration of justice.
Example: The officer of court served the legal documents to the defendant.