単たん純じゅん作さ業ぎょう

noun

simple work; repetitive job; unskilled work; menial work

Refers to tasks that are straightforward, often repetitive, and require little skill or training. Can carry a slightly negative connotation of being tedious or low-level.

• 工こう場じょうで単たん純じゅん作さ業ぎょうを繰くり返かえすのは疲つかれる。

  Repeating simple tasks at the factory is tiring.

• 彼かれは単たん純じゅん作さ業ぎょうが苦にが手てで、すぐに飽あきてしまう。

  He is not good at menial work and gets bored quickly.