一个英语句子分析Theprofessorwouldtrytoshowhispupilshowtheycouldaddjoytotheirlivesbyreallyseeingwhatpassesunnoticedbeforethem.我主要是“unnoticed”没看懂,它在句中作什么成分

Question

一个英语句子分析
The professor would try to show his pupils how they could add joy to their lives by really seeing what passes unnoticed before them.
我主要是“unnoticed”没看懂,它在句中作什么成分

Answer 1

这个可以理解为形容词作状语：
He slipped in unnoticed.
他溜了进来,没有人注意到他.
The incident passed unnoticed.
该事件未受到注意.
The wallbhidden or unnoticed observer
隐蔽的或不引人注意的观察者
He left the remark unnoticed.
他没有注意到那句话.
hoped his departure had passed unnoticed.
希望他的离开没有被发现.