/tə ˈpɜrdʒ ˌwʌnˈsɛlf/ – Phrase
Definition: tự vu cáo mình.
A more thorough explanation: To perjure oneself means to willfully provide false information or testimony while under oath in a court of law or in a legal proceeding, with the intention to deceive or mislead. It is considered a serious offense and is punishable by law.
Example: The witness was warned that if they chose to perjure themselves on the stand, they could face serious consequences for committing perjury.