1. I can witness that he wasn't at the scene of the crime. 我可以证明他不在案发现场。
2. The man, without fuss, agreed to serve as witness. 这个人没有异议，同意作证人。（用作主语）
3. Your version of the accident differs from that of the other witness. 你对这次意外事件的描述与另一位证人不同。
英英解释
n.
1. someone who sees an event and reports what happened
2. a close observer; someone who looks at something (such as an exhibition of some kind)
3. testimony by word or deed to your religious faith
4. (law) a person who attests to the genuineness of a document or signature by adding their own signatu
5. (law) a person who testifies under oath in a court of law v.
1. be a witness to
2. perceive or be contemporaneous with
