This is the 13640th most frequent Korean word.
류현진은
"Ryu Hyun-jin" is a proper noun, referring to a South Korean baseball player.
The phrase '류현진은' is used to introduce the subject focusing on Ryu Hyun-jin as the person being discussed in the sentence.
류현진은 야구를 매우 잘한다.
Ryu Hyun-jin plays baseball very well.
Here, '류현진은' serves as the topic marker indicating that the following information or question pertains specifically to Ryu Hyun-jin.
류현진은 언제 경기에 나올 예정인가요?
When is Ryu Hyun-jin scheduled to play in the game?
In this example, the phrase '류현진은' introduces the subject within a statement about popular opinion, setting up the context for what is said about Ryu Hyun-jin.