作さく成せい中ちゅう

noun which may take the genitive case particle 'no'

under construction; in preparation

Indicates that something is currently being made, built, or prepared. Often used for documents, websites, or projects.

• このページは作さく成せい中ちゅうです。

  This page is under construction.

• 報ほう告こく書しょはまだ作さく成せい中ちゅうだ。

  The report is still in preparation.