/ˈʌltrəˌniəs ˈwɪtnəs/ – Phrase
Definition: (Scot) nhân chứng tự nguyện.
A more thorough explanation: An ultroneous witness is a term used in legal contexts to refer to a witness who is not necessary or relevant to the matter at hand, and whose testimony is considered extraneous or unnecessary.
Example: The defense attorney argued that the witness was an ultroneous witness, as their testimony was irrelevant to the case and did not contribute any relevant information.