This is the 7329th most frequent Korean word.
짐작할
"짐작할" means "to estimate" or "to guess."
짐작할 is used to express the ability to guess or predict something based on context or evidence.
그가 늦을 것을 짐작할 수 있어요.
I can guess that he will be late.
짐작할 is used to convey the idea of imagining or comprehending something's complexity or difficulty.
짐작할 수 없을 만큼 어려운 문제였다.
It was a difficult problem beyond what one can guess.
짐작할 in this sentence indicates the endeavor to understand or feel empathy towards someone's emotions.