I like unfinished art works more than completed ones.
I liked this painting better when it still was in progress rather than now, when it is finished.
こんにちは。
2つの言い方を紹介します。
“I like unfinished art works more than completed ones.” - 「完成した作品よりは途中のものの方が好き」
Unfinished - まだ出来ていない、途中の
Completed - 完成した
“I liked this painting better when it still was in progress, rather than now, when it is finished.” - 「この絵は完成している今の状態よりは途中の時の方が好きだった」
A work in progress - 途中の仕事、まだ出来ていないもの