節せっ句く働ばたらき

noun

working on a day off to make up for lost time or to make an impression

Refers to the act of working on a holiday or day off, often to catch up on work or to appear diligent. The term carries a slightly negative connotation, implying unnecessary or showy effort.

• 彼かれの節せっ句く働ばたらきにはみんな呆あきれている。

  Everyone is fed up with his working on days off just to show off.

• 連れん休きゅう中ちゅうに節せっ句く働ばたらきして、やっと書しょ類るいを片かた付づけた。

  I worked during the consecutive holidays to finally get the documents sorted out.