This is the 4878th most frequent Korean word.
구는
"구는" is a form of the verb "구다," meaning "begging" or "pleading," depending on context.
구는 is a contracted form adding nuance to the verb 뛰다, emphasizing the action of running as ongoing or habitual.
그는 매일 아침 공원에서 뛰는구는 은근히 매력이 있습니다.
He runs every morning in the park, which is quite charming.
구는 specifies the location or context of where the bear appeared.
곰이 구는 산 속에 나타났습니다.
The bear appeared deep in the mountain.
구는 is used to describe a specific temporal period in historical context.