昼ちゅう夜や兼けん行こう

noun

around the clock; day and night

Describes working or continuing an activity without stopping, through both day and night. Often used in contexts of intense effort or urgency.

• 締しめ切きりに間まに合あわせるため、昼ちゅう夜や兼けん行こうで作さ業ぎょうした。

  We worked around the clock to meet the deadline.

• 救きゅう助じょ隊たいは昼ちゅう夜や兼けん行こうで捜そう索さくを続つづけた。

  The rescue team continued the search day and night.