School heads perceive their roles in different ways. 学校领导对他们的角色有不同的理解。

perceive sb/sth as sth Computers were often perceived as a threat. 计算机常常被视作是一种威胁。

perceive sb/sth to be sth politicians who are generally perceived to be corrupt 被普遍认定为很腐败的政客

a perceived advantage/need/threat (=one that people think is real) The most important problem is the perceived threat to public health. 意识到的优势/需要/威胁

He quickly perceived the truth. 他很快就了解了真相。

+that The doctor had perceived that something was troubling her. 医生已经明白有什么东西在困扰着她。