超核心confidential机密的，信任的confide in sb./～information

confidential [,kɑnfɪ'dɛnʃl]

adj.机密的；信任的；

fid=trust/faith,表示"信任,相信,信念"

adj.confident[of,in]确信的,自信的

confide[v.吐露[心事],委托,信赖]+ent……的→adj.[of,in]确信的,自信的

lconfidential information

lYour medical records are strictlyconfidential (= completely secret) .你的病历是绝对保密的

lSF Express and JD.comwill also make sure customers' personal information iskept confidential on the express lists to deal with any onlineinformation security issues.

lWhatever that means,not that he has any access to any confidential information. 

lA statement from Harvard on Tuesdaysaid it will "certainly comply with its obligations" but also needsto protect confidential records related to students andapplicants.