•Police are appealing for witnesses to the accident to come forward.警方呼吁那场事故的目击者站出来。

•According to (eye) witnesses, the robbery was carried out by two teenage boys.据目击者说，抢劫案是两个十几岁的少年犯的。

•She was witness to the tragic event.她目睹了这悲剧。

•He signed the treaty in the presence of two witnesses.他在两位见证人面前签署了条约。

•They were married a year after they first met, with two friends acting as witnesses.初次见面一年之后，他们在两位朋友的见证之下结婚了。

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•Ten witnesses are expected to testify at the trial today.在今天的审判中，将有十名证人出庭作证。

•The key witness for the prosecution was offered police protection after she received death threats.原告的关键证人在受到死亡恐吓后，得到警方的保护。

•A psychiatrist was called as an expert witness for the defence.一位精神病医生作为被告的专家证人被传作证。

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•The numerous awards on the walls bear witness to his great success.墙上数不清的奖状证明他的巨大成功。

•As last week's riots bear witness, the political situation is very unstable.上周的暴乱证明了政治局势非常不稳定。

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•Did anyone witness the attack?有人看到那次袭击吗？

•They were staying in the capital at the time of the riots and witnessed several street battles.暴乱期间他们留在首都，目击了好几场巷战。

•[+ -ing verb] He arrived home just in time to witness his brother being taken away by the police.他到家时正好看到他兄弟被员警带走。

•Her will was drawn up by a solicitor and witnessed by two colleagues.她的遗嘱由一位律师起草，并由两名同事签名作证。

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•This university has witnessed quite a few changes over the years.这所大学多年来经历过很多变革。

•The past few years have witnessed momentous changes throughout Eastern Europe.过去几年间，整个东欧都发生了重大的变化。

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•This year's charity ball was the most successful one ever, as witnessed by the number of tickets sold.今年的慈善舞会是最为成功的一次，这可以从出售门票的数量看出来。

•The programme aroused strong feelings - witness the number of letters received.这个节目激起了强烈的反响——来信的数量便是明证。

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•A handwriting expert witnessed to the authenticity of the letter.笔迹专家证明了这封信并非伪造。

•[+ -ing verb] She witnessed to having seen the robbery take place.她作证说目睹了抢劫的过程。