알고

In a sentence

• 나는 그 사실을 알고 있었어.

  I knew that fact.

  In this sentence, '알고' is used to indicate knowledge or awareness of a fact prior to a certain time.

• 비밀을 알고 나니 마음이 편해졌어.

  After learning the secret, I felt relieved.

  Here, '알고' conveys the act of comprehending or coming to know something, leading to a subsequent change in state.

• 그 일의 중요성을 알고 노력해야 해.

  We must understand the importance of that matter and strive for it.

  In this example, '알고' highlights the importance of understanding something as a basis for action.