witness的复数为： witnesses。
witness，英语单词，主要用作为动词、名词，作及物动词时译为“ 目击；证明；为…作证”，作不及物动词时译为“ 作证人”，作名词时译为“证人；目击者；证据”。复数：witnesses，第三人称单数：witnesses，过去式：witnessed，过去分词：witnessed，现在分词：witnessing，易混淆的单词：Witness。
短语搭配：
1、bear witness证明，作证。
2、as witness以…为证明。
3、in witness whereof以资证明；作为其证据。
4、expert witness鉴定证人。
5、material witness重要证人。
6、with a witness[古语]极端地；毫无疑问地。
7、star witness主要证人。
8、eye witness目击者，见证人。
9、witness stand（法庭上的）证人席。
10、witness box证人席。
witness例句：
1、The witness was asked to give a brief account of what he had seen.
法庭要求证人把其亲眼所见简要叙述一下。
2、I should prove to you that the witness was not speaking the truth.
我将向你证明,证人说的不是真话。
3、He has a lawyer, but, the evidence painstakingly arranged and the key witness are all unassailable.
他有一名律师，可是，所有精心布置的证据和关键的证人，都无懈可击。
4、She was ruled a hostile witness by the judge.
她被法官裁定是敌意证人。
5、I will bear witness to the deed.
我将为此契约作证。
6、It was all up with Jim as soon as the witness recognized him.
当证人认出吉姆时，他一切都完了。
7、Engels' From Paris to Bern is an valuable witness record as materials for social history.
恩格斯的《从巴黎到伯尔尼》正是一篇具有珍贵的社会史史料价值的目击者记录。