Dictionary / Vocabulary / やっつけ仕事
やっつけしごと
rush job; slipshod job; quick-and-dirty work
Also written 遣っ付け仕事
最初の頃は結構気を張ってたけどそのうちやっつけ仕事になったから、そんな質のいいもんじゃなかったと思うわ。
Even though I put my all into this to begin with it ended up being menial work, so I think it didn't turn out great.