This is the 2942nd most frequent Korean word.
집중해
"Focus" or "Concentrate."
This sentence uses the word "집중해" to instruct the listener to concentrate during a class setting.
수업 시간에 집중해 주세요.
Please focus during the class.
Here, "집중해" is utilized to emphasize the need for attention due to the importance of the task.
지금은 중요한 일이니까 집중해.
This is an important task, so focus.
In this example, "집중해" is used to describe a habitual action of focusing on music during the act of studying.