unsatisfactory

The project was returned to the team because their initial report was unsatisfactory and lacked data.

(Chinese) 该项目被退回给团队，因为他们的初步报告不令人满意且缺乏数据。

After receiving an unsatisfactory grade on his midterm, Leo decided to spend more time in the library.

(Chinese) 在期中考试得到一个不理想的分数后，里奥决定花更多时间在图书馆里。