/tə ɪmˈpjuːn ə piːs ʌv ˈɛvɪdəns/ – Phrase
Definition: không công nhận một lời chứng.
A more thorough explanation: To impugn a piece of evidence means to challenge or question its validity, reliability, or credibility in a legal context. It involves casting doubt on the evidence’s accuracy or truthfulness in order to undermine its probative value in a legal proceeding.
Example: The defense attorney attempted to impugn the credibility of the witness’s testimony by presenting contradictory evidence during the trial.