날카로운

In a sentence

• 이 칼은 매우 날카로워서 쉽게 잘립니다.

  This knife is very sharp, so it cuts easily.

  The word '날카로운' is used here to describe the physical sharpness or cutting capability of the knife.

• 그의 날카로운 목소리가 모두를 긴장하게 만들었다.

  His sharp voice made everyone tense.

  Here, '날카로운' is used metaphorically to describe the piercing and impactful quality of his voice.

• 그의 날카로운 관찰력 덕분에 사건을 쉽게 해결할 수 있었다.

  Thanks to his sharp observation skills, the case was solved easily.

  In this instance, '날카로운' conveys acute or keen intellectual qualities regarding observation skills.