불철주야가 · 불철주야를
day and night, around the clock
Example
소방관들은 불철주야 시민의 안전을 위해 일합니다.
Firefighters work around the clock for the safety of citizens.
Word parts
불 not+철 withdraw+주 daytime+야 night
Literally 'not stopping, day or night.'
Good to know
Mostly adverbial in formal praise: 불철주야 노력하다 'to work tirelessly.'
Related words