This is the 1992nd most frequent Korean word.
박차를
"박차를" means "spur" or "to accelerate/push forward."
Here, '박차를' refers to 'spurring on' or encouraging the progress or growth of the business.
그는 사업에 박차를 가하고 있다.
He is spurring on his business.
In this context, '박차를' means 'to escalate' or 'increase the intensity' to achieve a purpose.
토론에 박차를 가해 결론을 얻었다.
We intensified the discussion to reach a conclusion.
Here, '박차를' implies giving additional energy to expedite the completion of the task.