1·He is expected to be the key witness at the trial.
预计他将成为审判时的关键证人。
—— 《柯林斯英汉双解大词典》
2·Flynn often testifies as an expert witness in court cases.
弗莱恩经常以专家证人的身份出庭作证。
—— 《柯林斯英汉双解大词典》
3·We have a witness who would swear to it in a court of law.
我们有一位会在法庭上对此发誓的证人。
—— 《柯林斯英汉双解大词典》
4·The prosecution did its best to undermine the credibility of the witness.
原告竭力削弱证人的可信性。
—— 《牛津词典》
5·A vital witness came forward to say that she saw Tanner wearing the boots.
一位关键证人站出来说她看见坦纳穿着那双靴子。
—— 《柯林斯英汉双解大词典》