传达信息
keep sb informed of sth
让某人知道某事
keep sb informed about sth
让某人知道某事
keep sb posted as to sth
关于某事让某人知道
keep sb posted as to who/what/when/where/why
关于...让某人知道
keep sb up to date on...
让某人准时做某事
keep sb up to date as to who/what/when/where/why
关于...让某人准时做
keep sb updated on noun phrases or who/what/when/where/why
让某人一直追随事物潮流
keep sb. advised of...
保持对某人...的建议
keep sb.abreast of...
使某人并驾齐驱
keep in touch
保持联系
keep in contact
保持联系
keep sb in the loop
保持联系

Store Information
保留信息
keep sth on file
用文件保存
keep the books
保存书
keep a record of...
保持记录
keep track of...
跟踪
keep sb in mind for sth.
让某人记住
keep in mind that...
记住...
keep a promise
遵守诺言
keep it in mind
记住...