key witness

基本解釋

The state’s key witness, Shmuel Dechner, now 73, served for years as the Holyland project’s fixer but fell out with his employers.
國家關鍵證人Shmuel Dechner現(xiàn)年73歲，在圣地項目中擔任調停人員多年，但與雇主發(fā)生了糾紛。
Most of his alleged bribe money—a good 2m shekels ($537, 000), according to the key witness—is said to have gone on medical equipment.
據(jù)一位關鍵證人透露，他受賄的金額多達2百萬舍客勒（$537,000），大部分資金已用于購買醫(yī)療設備。
A Brooklyn attorney hopes to break new ground this week when he offers a brain scan as evidence that a key witness in a civil trial is telling the truth, Wired.com has learned.
《連線》雜志日前獲悉，美國紐約市布魯克林區(qū)（Brooklyn）的一名律師希望在本周開創(chuàng)司法證據(jù)的新局面，屆時他將提供一份大腦掃描圖作為證據(jù)，以證明一樁民事審判案件中關鍵證人的證詞是屬實的。

In Ebbers' case, the government's key witness is Scott Sullivan , WorldCom's former chief financial officer.
FORBES: Martha Verdict's Bad News For Bernie
Landis also was a key witness in a USADA investigation last year that exposed Armstrong's doping.
NPR: USADA Lobbied DOJ To Join Lawsuit
The government's key witness in refuting their claims was Douglas Faneuil , a brokerage assistant to Bacanovic.
FORBES: Martha Verdict's Bad News For Bernie

關鍵證人
We can construct the rule for key witness in such aspects as the application and decision of the appearing of witness, summon, signature of paper of guarantees and inquiries.
我們應當從出庭作證的申請和決定、傳喚、保證書簽署、詢問和質證等幾方面,構建關鍵證人出庭作證的具體規(guī)則。