The classical hoplite formation then was not the long lived military institution of scholarly tradition, but merely one phase in a history of almost four centuries of slow change towards ever denser and more cohesive heavy infantry formations."

这种方阵的形成,并不是经过长期传承的传统军事制度,只是步兵阵型演变的一个阶段,战阵逐渐向更加紧密坚固的步兵阵型转化,而这个变化持续了约有四个世纪"

耶鲁公开课 - 古希腊历史简介课程节选

And when my dad was here, he was in like, the sort of height of his crazy phase.

我父亲在这儿上学的时候，纳什的精神失常正处于最严重的阶段。

知道约翰·纳什吗？ - SpeakingMax英语口语达人