/ˈwɒrənt əv əˈtɜːni/ – Phrase
Definition: giấy ủy quyền.
A more thorough explanation: A warrant of attorney is a legal document that authorizes an attorney or other representative to appear in court on behalf of a party and to confess judgment or take certain actions without the need for further notice or legal proceedings.
Example: The attorney presented a warrant of attorney to the court, granting him the authority to act on behalf of his client in the legal proceedings.