/ˈtrɛtʃərəs ˈwɪtnəs/ – Phrase
Definition: nhân chứng bội tín.
A more thorough explanation: A treacherous witness is a term used in legal contexts to refer to a witness who gives false or misleading testimony, often with the intent to deceive or harm another party in a legal proceeding. This type of witness is considered unreliable and dishonest, and their testimony may be disregarded or given less weight by the court.
Example: The defense attorney argued that the witness was treacherous, as they had previously provided false testimony in another case.