This is the 16367th most frequent Korean word.
비질한
The word "비질한" does not appear to exist in standard Korean language or vocabulary. It may be a typo or a regional/colloquial term.
Here, '비질한' is used to describe a person's diligent or hard-working attitude.
그의 비질한 태도는 성공의 이유였다.
His diligent attitude was the reason for his success.
In this sentence, '비질한' characterizes the thorough and hardworking preparation done by the author.
나는 비질한 준비를 통해 시험에 합격했다.
I passed the exam through diligent preparation.
In this instance, '비질한' emphasizes the necessity of steady and persistent effort to accomplish objectives.