v .
to stray form the main subject 본 주제에서 옆으로 벗어나다

• Speaking metaphorically, to digress is to leave the main highway in order to travel aimlessly on back roads. When a speaker digresses, he departs from the main topic and tells a story only distantly related to it.
• Such a story is called a digression. Sometimes writer's or speaker's digressions are more interesting than his or her main points.
• After a lengthy digression, the lecturer returned to his speech and bought it to a conclusion.