This is the 18414th most frequent Korean word.
시간문제
"시간문제" means "a matter of time."
The word '시간문제' here means 'a matter of time,' indicating that the resolution of the issue is inevitable and anticipated shortly.
이 일은 해결되는 건 시간문제야.
This issue is just a matter of time to resolve.
In this sentence, '시간문제' implies that success is certain and pending, depending on the passage of time.
성공할 수 있을 거야, 그건 단지 시간문제야.
You will succeed; it's just a matter of time.
Here, '시간문제' suggests a premonition or inevitability regarding the occurrence of the earthquake in this particular area over time.