This is the 11192nd most frequent Portuguese word.
manifestarem
"Manifestarem" means "to express" or "to show" (referring to when "they/you [plural]" express or show something).
Here, 'manifestarem' is used in a subjunctive phrase emphasizing the importance of expressing opinions.
É importante que as pessoas manifestarem suas opiniões de forma respeitosa.
It is important that people express their opinions respectfully.
In this case, 'manifestarem' denotes 'students showing their enthusiasm,' implying voluntary demonstration.
Os alunos podem manifestarem seu entusiasmo durante o evento.
Students can express their enthusiasm during the event.
Here, 'manifestarem' is used to indicate the act of people expressing their discontent in a peaceful manner.