This is the 12177th most frequent Korean word.
늘어야
"늘어야" means "must increase" or "must grow" in English.
Here '늘어야' is used as 'to improve or increase,' referring to improving skills.
실력을 늘어야 더 좋은 기회를 얻을 수 있습니다.
You need to improve your skills to gain better opportunities.
In this sentence, '늘어야' means 'must increase,' referring to the growth of hope.
어려운 상황에서도 희망이 늘어야 합니다.
Even in challenging situations, hope must increase.
'늘어야' in this context means 'need to increase,' discussing the extension of exercise time.