This is the 13495th most frequent Korean word.
라일리는
"라일리는" is not a standard Korean word; it may be a transliteration of "Riley," a name.
In this sentence, "라일리는" is used as the subject of the sentence, indicating who the main topic being discussed is.
라일리는 미국에서 온 친구입니다.
Riley is a friend from the United States.
Here, "라일리는" is used again as the subject to describe Riley's habitual behavior.
라일리는 항상 웃고 있어요.
Riley is always smiling.
In this example, "라일리는" serves as the subject that performs the action of knowing about Korean.