项目规划不当，导致延误。

The project was ___inappropriately planned, resulting in delays.

标志放置不当，让许多访客感到困惑。

The sign was ___inappropriately placed, confusing many visitors.

她在敏感讨论中发言不当，冒犯了一些与会者。

She spoke ___inappropriately during the sensitive discussion, offending some attendees.