unsatisfactory

adj.

不能令人满意的；不符合要求的；不满足的；

1. Her performance proved to be unsatisfactory.
   她的表现并不令人满意。
2. Reception of TV programmes is unsatisfactory here.
   这里电视节目的接收情况不佳。
3. However, for most students the standard of Chinese language remains unsatisfactory.
   然而，目前多数学生的华文水平却不能令人满意。

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‘Unsatisfactory Saturation’: A critical exploration of the notion of saturated sample sizes in qualitative research.
Is the traditional paradigm of valuation for firms unsatisfactory? An empirical analysis
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A Longitudinal Study of Complaining Customers' Evaluations of Multiple Service Failures and Recovery Efforts.
Closed treatment of displaced middle-third fractures of the clavicle gives poor results.
Seven- to 20-year outcome of lumbar discectomy
A Longitudinal Study of Complaining Customers’ Evaluations of M...