credential

n. 国书, 凭据, 证明书
【经】 凭证, 证书

cre.den.tial

n.（名词）
That which entitles one to confidence, credit, or authority.
证明：某人可以相信、信任或具有权力的证明
credentials Evidence or testimonials concerning one`s right to credit, confidence, or authority:
credentials 证件：关于某人可以相信、信任或具有权力的证件或证明书：
例句：
The new ambassador presented her credentials to the president.
新大使向总统递交了国书

v.tr.Usage Problem （及物动词）【用法疑难】
cre.den.tialed,cre.den.tial.ing,cre.den.tials To supply with credentials:
cre.den.tialed,cre.den.tial.ing,cre.den.tials 提供证明书：
例句：
.trained, professional, credentialed child care.(Lee Salk)
.有证书的、受过专业训练的儿童护理员.(李·索尔克)


来源：
From Medieval Latin crôdenti3lis [giving authority]
源自 中世纪拉丁语 crôdenti3lis [授予权力]
from crôdentia [trust] * see credence
源自 crôdentia [信任] *参见 credence

The participlecredentialed is well established in reference to certified teachers and some other professions, but its more general use to mean .possessing professional or expert credentials. is still widely considered jargon.The sentenceThe board heard testimony from a number of credentialed witnesses was unacceptable to 85 percent of the Usage Panel.
其分词形式credentialed 用于指合格的教师和一些其他专业人员的用法早已被接受， 但它作为.持有专业或专家证书的.这种更通用的用法却仍需慎思后才能使用。.委员会听取了一些资格证人的证词. 这句话在85%的用法调查中都不被接受