witness

● ● N-COUNT A witness to an event such as an accident or crime is a person who saw it.目擊者

● ● V-T If you witness something, you see it happen.目擊

● ● N-COUNT A witness is someone who appears in a court of law to say what they know about a crime or other event.證人

● ● N-COUNT A witness is someone who writes their name on a document that you have signed, to confirm that it really is your signature.連署人

● ● V-T If someone witnesses your signature on a document, they write their name after it, to confirm that it really is your signature.連署

● ● V-T If you say that a place, period of time, or person witnessed a particular event or change, you mean that it happened in that place, during that period of time, or while that person was alive.見證 

bear witness 證明，作證

as witness 以…為證明

in witness whereof 以資證明；作為其證據

expert witness 鑒定證人

material witness 重要證人

with a witness [古語]極端地；毫無疑問地

star witness 主要證人

eye witness 目擊者，見證人

witness stand （法庭上的）證人席

witness box 證人席

Witnesses to the crash say they saw an explosion just before the disaster.

空難目擊者稱，就在災難發生之前他們看見飛機發生了爆炸。

Anyone who witnessed the attack should call the police.

目睹這次襲擊的人都應向警方報告。

In the next three or four days,eleven witnesses will be called to testify.

接下來的三四天里，將傳喚11名證人出庭作證。

He is trying to improperly influence a witness.

他正試圖不適當地影響一名證人。

The police need a witness to make a positive ID.

警方需要有目擊者加以確認。

He is expected to be the key witness at the trial.

預計他將成為審判時的關鍵證人。