This is the 2710th most frequent Korean word.
아들의
"아들의" means "son's" in English.
Here, '아들의' is used in a possessive context, meaning 'of the son' to show ownership of the book by the son.
아들의 책이 테이블 위에 놓여 있다.
The son's book is placed on the table.
In this sentence, '아들의' indicates a relationship, specifying that the teacher is associated with the son.
어제 아들의 선생님을 만나 대화를 나누었다.
I had a conversation with the son's teacher yesterday.
Here, '아들의' again implies possession or an association, expressing whose success is being observed.