執しつ務む中ちゅう

noun

at work; on duty; during work hours

Used to indicate that someone is currently working or that something occurs during work time. Often seen on signs or in formal contexts.

• 課か長ちょうはただいま執しつ務む中ちゅうです。

  The section chief is currently at work.

• 執しつ務む中ちゅうは私し用よう電でん話わをご遠えん慮りょください。

  Please refrain from personal calls during work hours.