/fɜrsthænd ˈtɛstəˌmoʊni/ – Phrase
Definition: lời khai của nhân chứng trực tiếp chứng kiến.
A more thorough explanation: Firsthand testimony refers to evidence given by a witness who has personally observed or experienced the events or circumstances being described. This type of testimony is considered direct evidence and is typically given by individuals who have firsthand knowledge of the facts in question.
Example: The witness provided firsthand testimony regarding the events that occurred on the night of the crime.