He is an eloquent spokesman for the underdog.他是一位替弱势者说话的能言善辩的发言人。

one particularly eloquent critic一位特别雄辩的批评家

a very eloquent speech一篇非常雄辩的演讲

He made an eloquent plea for better understanding.他很有说服力地请求加强理解。

He was eloquent about his love of books.他说起对书籍的喜爱就眉飞色舞。