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）中你可以看到大衛·斯達基滔滔不絕地講授有關亨利八世的知識或者威廉·哈格講授有關威廉·皮特的內容。
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.
在蓡加了政府組織的幾次研討會之後，我就可以滔滔不絕地闡釋清楚課稅跟聯邦赤字之間的關系了，但是對於如何填寫一張最基本的納稅申請表還是一無所知。
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.
他常常發表關於“毉學中哪些問題被攻破”的主題縯講，同時也會擧辦相關沙龍，有很多關於毉學的最有趣的想法就産生於此。

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