This is the 2682nd most frequent Korean word.
시대가
"시대가" means "the era is" or "the times are," depending on context.
Here, '시대가' is used as the subject of the sentence, indicating that the era or times are undergoing change.
시대가 변하고 있습니다.
The times are changing.
In this sentence, '시대가' specifies 'this era', and is the subject, describing the characteristic challenges of the era.
이 시대가 많은 도전을 안고 있습니다.
This era is facing many challenges.
Here, '시대가' functions in a descriptive clause where 'the times' are the actors requiring certain actions or attributes.