This is the 10403rd most frequent Korean word.
구윤성
"구윤성" is a Korean name and does not have a specific definition in English.
This demonstrates the use of '구윤성' as a person's name in the subject position of the sentence.
구윤성이 방금 도착했다고 합니다.
They say Gu Yoon-sung has just arrived.
Here, '구윤성' is used as a person's name with an honorific title, showing respect.
나는 지난 여름에 구윤성 씨를 만났어요.
I met Mr. Gu Yoon-sung last summer.
In this sentence, '구윤성' is referred to as a specific name, discussing its usage and commonality.