to have information in your mind from learning or experience
I know the answer because I studied.
나는 답을 알고 있습니다, 공부했기 때문입니다.
to understand or be aware of something
I know you are tired.
당신이 피곤하다는 것을 알고 있습니다.
to feel sure about something
I know it will be sunny tomorrow.
내일은 맑을 것이라고 확신합니다.
to be familiar with a person or place
I know my neighbor well.
나는 이웃을 잘 알고 있습니다.
to have learned a skill and be able to use it
I know how to swim.
나는 수영하는 방법을 알고 있습니다.
to be thought of as having certain qualities
She is known to be very kind.
그녀는 매우 친절한 것으로 알려져 있습니다.
to give a name or title to someone or something
This plant is known as 'sunflower'.
이 식물은 '해바라기'로 알려져 있습니다.
to be able to recognize someone or something
I know a good book when I see one.
좋은 책을 보면 알 수 있습니다.
to understand the difference between things
Children should know right from wrong.
아이들은 옳고 그름을 구별할 줄 알아야 합니다.
to have seen, heard, or experienced something
He is known to arrive late.
그는 늦게 도착하는 것으로 알려져 있습니다.
to have personal experience of something
She knows what it is like to be hungry.
그녀는 배고픔이 어떤 것인지 알고 있습니다.