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.