/ˈædˌvɜrs ˈwɪtnəs/ – Phrase
Definition: nhân chứng của đối phương, nhân chứng cung khai có lợi cho đối phương.
A more thorough explanation: An adverse witness is a witness whose testimony is not favorable to the party who called them to testify, typically in a legal proceeding such as a trial.
Example: In a court case, the defense attorney cross-examined the adverse witness to challenge their testimony.