He's a very persuasive talker.

他是一个说话很有说服力的人。

《牛津词典》

He was a brilliant talker, and when he was arguing some difficult point he had a way of skipping from side to side and whisking his tail which was somehow very persuasive.

他是一个很有才气的演说家，争论问题的时候会有一种跳跃式的方法，经常摇晃着他的尾巴，使他在任何时候都极具说服力。

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