名詞 briefing:

1. detailed instructions, as for a military operation

動詞 brief:

1. give essential information to someone
   同義詞：brief

1. Do what the briefing calls for.
   按簡令的要求去做。
2. He had a lot to explain, and no time for more than a short meeting. Thus a lengthy briefing had to be telescoped into half an hour.
   他有許多要說明的，但又沒時間開長會，所以只好把一份長匯報(bào)削短成半小時的簡介。
3. The briefing won't take very long, and then will descend to particulars.
   概況介紹不會太長的，他接下去就要談具體問題了。
4. A briefing that gave us a fix on the current situation.
   讓我們對目前形勢有一個明確看法的簡報(bào)

brief.ing

n.（名詞）
The act or procedure of giving or receiving concise preparatory instructions, information, or advice.
簡介：給予或接受簡潔的預(yù)備性的指令、信息或忠告的行為或步驟
The information conveyed in this manner.
明確簡介：用這種方式傳遞的信息