(尤指结果、表现或质量)不令人满意的;不合格的;达不到期望的。(也可指“令人不满足的”,但最常见用法是评价质量/结果。)
/ˌʌnˌsætɪsˈfæktəri/
The service was unsatisfactory.
服务令人不满意。
The committee rejected the proposal because the evidence was unsatisfactory and the risks were not fully addressed.
委员会否决了该提案,因为证据不充分、令人不满意,而且风险也没有得到充分处理。
由前缀 un-(表示否定,“不”)+ satisfactory(令人满意的)构成。satisfactory 源自 satisfy(使满足),其词根与拉丁语 satis(“足够”)有关,因此 unsatisfactory 字面意思就是“不能使人觉得足够/满足的”。