/ˈlɔːfəli swɔːrn/ – Phrase
Definition: người đã phải tuyên thệ theo đúng thủ tục luật định.
A more throughout explanation: “Lawfully sworn” refers to a person who has taken an oath or affirmation in a manner that complies with the legal requirements and procedures set forth by the relevant jurisdiction. This typically involves making a formal declaration to tell the truth or fulfill a duty, often in a court of law or before a notary public, and is done in accordance with the applicable laws and regulations.
Example: The witness was lawfully sworn in before giving testimony in court.