The phrase "already briefed" is correct and usable in written English.
It can be used to indicate that someone has been informed or updated about a particular topic or situation prior to the current moment.
Example: "The team is ready for the meeting because they have already briefed on the project details."
Alternatives: "previously informed" or "already updated".
Theresa had already briefed the BBC that he was going to be sacked.
According to Mr. Dorgan, General Johnson testified after the inspector general had already briefed Defense Department officials about the findings.
The government has already briefed union representatives on the terms of the deal and will brief political leaders soon, Mr. Stefanou said.
He had already briefed the laser crew, met with the arena's director of operations, and was going to go check out the hospitality suite.
The league office has already briefed its employees on plans for a lockout, which would include pay cuts for the highest-ranked employees, including Roger Goodell, and potentially staff cuts.
"It's a political target, it's being taken without a lot of internal consultation," he said, before adding a Chinese proverb to describe the unhappy reaction of power producers and users already briefed on the new policy: "It's like a whole lot of ants are being thrown in a hot wok".
She noted that she did away with the gaggle at a time when she was already briefing at noon each day, while Mr. Gibbs's formal briefings often take place later in the afternoon; on Tuesday it started at 2 40 p.m. "With a later briefing," Ms. Perino said, "then a morning gaggle makes absolute sense".
Baudelaire in this role has made already brief appearances in Calasso's books.
True to form, the Treasury is already briefing against Mr Turner, claiming that he has exceeded his brief.
In theory that should be manageable, given Mr Modi's hands-on style (senior bureaucrats are already briefing him).
And the event cast a shadow over Egypt's coming presidential election, shortening an already brief campaign season as it sharpened the differences between candidates.
