speaking up in class meaning in Chinese

课堂上发言

Not a one has spoken up in class , has been part of any parties or activities in the common room , or anything like that
他们从不在课堂上发言，从不参与公共休息室或其他地方的活动。
Yet his lecturing style is ordinarily so deadly dull that even giant wars become monotonous in his hands , and students are so disengaged that asking a question in class is an event . ( even hermione has only once spoken up in class to ask a question
然而，由于他的讲课方式太过普通，以至于像巨人战争这样的事也能被他描述得平淡无奇、死气沉沉，学生们在课上无所事事、昏昏欲睡，就连举手发言也被看作是一件大事（甚至连赫民这样的学生在他的课上也只问过一个问题）。