깊이

In a sentence

• 그는 깊이 생각했다.

  He thought deeply.

  In this sentence, '깊이' is used as an adverb to describe the manner of the thinking, indicating a profound or thorough consideration.

• 호수의 깊이를 측정했다.

  We measured the depth of the lake.

  Here, '깊이' is used as a noun, referring to the physical measurement of how deep the lake is.

• 그녀의 감정은 깊이 있었다.

  Her feelings were deep.

  In this usage, '깊이' represents a descriptive sense to characterize the profoundness of her emotions.