work in progress

US /wɜːrk ɪn ˈprɑː.ɡres/
UK /wɜːrk ɪn ˈprɑː.ɡres/
"work in progress" picture
1.

進行中の作業, 開発中

something that is being developed or created and is not yet finished

:
The new software is still a work in progress.
新しいソフトウェアはまだ開発中です。
My painting is a work in progress, but I'm happy with its direction.
私の絵は制作中ですが、その方向性に満足しています。