posted
 (a.)有地位的,精通的,消息靈通的


 Post v. t. [imp. & p. p. Posted; p. pr. & vb. n. Posting.]
 1. To attach to a post, a wall, or other usual place of affixing public notices; to placard; as, to post a notice; to post playbills.
 Note: ☞ Formerly, a large post was erected before the sheriff's office, or in some public place, upon which legal notices were displayed. This way of advertisement has not entirely gone of use.
 2. To hold up to public blame or reproach; to advertise opprobriously; to denounce by public proclamation; as, to post one for cowardice.
 On pain of being posted to your sorrow
 Fail not, at four, to meet me.   --Granville.
 3. To enter (a name) on a list, as for service, promotion, or the like.
 4. To assign to a station; to set; to place; as, to post a sentinel. “It might be to obtain a ship for a lieutenant, . . . or to get him posted.”
 5. Bookkeeping To carry, as an account, from the journal to the ledger; as, to post an account; to transfer, as accounts, to the ledger.
    You have not posted your books these ten years.   --Arbuthnot.
 6. To place in the care of the post; to mail; as, to post a letter.
 7. To inform; to give the news to; to make (one) acquainted with the details of a subject; -- often with up.
    Thoroughly posted up in the politics and literature of the day.   --Lond. Sat. Rev.
 To post off, to put off; to delay. [Obs.] “Why did I, venturously, post off so great a business?” --Baxter.
 To post over, to hurry over. [Obs.] --Fuller.


 posted
      adj : publicly announced; "the posted speed limit"