hold forth on

基本解释

At Cambridge (youtube.com/user/CambridgeUniversity) you can see David Starkey hold forth on Henry VIII or William Hague on William Pitt.
在Cambridge（youtube.com/user/CambridgeUniversity）中你可以看到大卫·斯达基滔滔不绝地讲授有关亨利八世的知识或者威廉·哈格讲授有关威廉·皮特的内容。
Having taken seminars on government, I could hold forth on the relationship between taxation and the federal deficit but was clueless about filling out a basic tax form.
在参加了政府组织的几次研讨会之后，我就可以滔滔不绝地阐释清楚课税跟联邦赤字之间的关系了，但是对于如何填写一张最基本的纳税申请表还是一无所知。
He often gives speeches on what’s broken in the medical world, and holds salons where some of the most interesting minds in medicine hold forth on any number of mind bending topics.
他常常发表关于“医学中哪些问题被攻破”的主题演讲，同时也会举办相关沙龙，有很多关于医学的最有趣的想法就产生于此。

He liked to hold forth on television, once suggesting that America should erect on its other coast a Statue of Responsibility.
ECONOMIST: Viktor Frankl
But who was among the first to hold forth on it?
FORBES: Silicon in the snowbelt
Dolle was prepared to hold forth Thursday on matters other than Luxembourg government's apparent fondness for bolt-on legislation.
FORBES: Arcelor's Dolle Reiterates Shareholder Opposition To Mittal