/ʌn.rɪˈlaɪ.ə.bəl ˈwɪt.nəs/ – Phrase
Definition: nhân chứng không đáng tin cậy.
A more thorough explanation: An unreliable witness is a person whose testimony or evidence is not considered trustworthy or credible due to inconsistencies, contradictions, bias, lack of credibility, or other factors that cast doubt on the accuracy or truthfulness of their statements.
Example: In the court case, the defense argued that the witness was an unreliable witness due to inconsistencies in their testimony.