5.to apply yourself to sth致力于某事；专注于某事
He has applied himself to this task with enthusiasm.他满怀热情地投入到了这项任务中。
6.+ word, epithet用…指称(人或事物)
Connell said a new medical term should be applied to Berg's actions. He calls it 'medicide'.康奈尔说应该用一个新的医学名词描述伯格的行为。他称之为“医助自杀”。