interlocutor

The philosopher treated the student as an interlocutor whose objections sharpened the argument.哲学家将学生视为对话者，其反驳意见使论证更加犀利。

In Platonic dialogue, Socrates uses each interlocutor to examine a different facet of the philosophical problem.在柏拉图式的对话中，苏格拉底利用每一位对话者来检验哲学问题的不同侧面。