in brief简言之
brief introduction简介;简短介绍
3.It briefed journalists on American lies about his immunity, helping stir public anger.
它简短介绍了美国记者对于他的豁免权的谎言,这挑起了公愤。
4.Paiko became worried; he thought the departed Sergeant had briefed the new one on his case.
派克有点担心了,他以为先前那个警察已经把他的案件告诉这个新的警察。