働はたらきすぎ

noun

overwork; working too much

Refers to the state or act of working excessively, often with negative health or lifestyle connotations.

• 働はたらきすぎで体からだを壊こわした。

  I ruined my health from overwork.

• 働はたらきすぎはよくない。

  Overwork is not good.