hold forth
给予, 提供, 滔滔不绝地说, 高谈阔论
例句与用法:
A group of nuclear physicists holding forth at their annual convention.
一群正在年会上进行工作的核物理学家。
He loves holding forth on any subject once he has an audience.
不管是什麽问题,只要有人听,他就爱大发议论。