He stuck his nose in my work, but he couldn't really do it in the end, so I have to do it over again.
この場合、次のような言い方ができますよ。
ーHe stuck his nose in my work, but he couldn't really do it in the end, so now I have to do it over again.
「彼は私の仕事に首を突っ込んできたが、結局できなくて、私がやり直さないといけない」
to stick one's nose in で「首を突っ込む」
to do ... over again で「…をやり直す」
ご参考まで!