unsatisfactory
🇺🇸
/ˌʌnˌsætɪsˈfæktəri/
🇬🇧
/ˌʌnˌsætɪsˈfæktəri/
not good enough or acceptable
The food quality was unsatisfactory, so we complained to the manager.
食物品質不夠好,所以我們向經理投訴了。