This is the 5554th most frequent Korean word.
못하자
"못하자" is not a standard Korean word. It may be a typo or a non-idiomatic phrase.
Here, '못하자' is used in the context of a decision caused by inability or constraint.
우리는 더 이상 기다릴 수 없어서 떠나지 못하자.
We couldn't leave because we couldn't wait any longer.
In this case, '못하자' reflects failure or inability to perform an action.
그들은 준비가 부족하기 때문에 제대로 행동하지 못하자.
They couldn't act properly due to inadequate preparation.
'못하자' here signifies an incapacity to continue studying induced by lack of time.