dissatisfactory

🇬🇧/ˈdɪsˌsætɪsˈfæktərɪ/ 🇺🇸/ˌdɪssætɪsˈfæktəri/
not up to expectations; "a disappointing performance from one who had seemed so promising"

adjective [原级]不够理想的

If you find the merchandise dissatisfactory, they can take it back.
如果你发现商品不满意,可以退给他们。

单词造句:
网友用“Dissatisfactory”造句精选
I very much regret to have to inform you your service is very dissatisfactory. 很抱歉地告诉你,你们的服务非常令人不满。
The instant effect of improving shoulder activity of stone needle is dissatisfactory. 而新砭石疗法的即刻改善肩部功能活动的效果不如针灸疗法。