a. not giving satisfaction
a. 不令人满意的
1. The customer was unhappy with the unsatisfactory service at the restaurant.
顾客对餐厅的服务不满意。
2. Her performance in the exam was unsatisfactory, and she needs to study harder.
她在考试中的表现不理想，需要更加努力学习。
3. The team received unsatisfactory feedback from the project manager.
团队收到了项目经理的不满意反馈。