This is the 10753rd most frequent Korean word.
귀걸이를
"귀걸이를" means "earrings" (object form).
In this sentence, '귀걸이를' indicates the object (the earrings) receiving the action of being received.
이 귀걸이를 선물로 받았어요.
I received these earrings as a gift.
Here, '귀걸이를' serves as the object that undergoes the action of being worn.
그녀는 매일 학교에 갈 때마다 귀걸이를 착용해요.
She wears earrings every day when she goes to school.
In this example, '귀걸이를' refers to the item being chosen, again functioning as the object of the action.