/ɪndəˈrɛkt ˈwɪtnəs/ – Phrase
Definition: nhân chứng gián tiếp.
A more thorough explanation: An indirect witness is a person who did not personally witness an event or situation, but who has knowledge of it through secondhand information or evidence provided by someone else who did witness the event.
Example: In a court case, the defense attorney called an indirect witness who overheard the conversation between the defendant and the victim.