더더욱

In a sentence

• 더더욱 공부에 열중해야 해요.

  You should focus even more on studying.

  The word "더더욱" emphasizes the need to intensify the effort in the activity mentioned, which is studying.

• 이 일은 더더욱 신중히 다뤄야 해.

  This matter should be handled with even greater caution.

  Here, "더더욱" adds emphasis to the level of caution required in the context.

• 더더욱 중요한 것은 가족과 함께 시간을 보내는 거예요.

  Even more important is spending time with your family.

  In this context, "더더욱" stresses the increased importance of the stated priority over other matters.