unimpressive

adj.不令人信服的,无印象的,印象淡薄的

不令人印象深刻的；不起眼的

形容词

1、His performance was unimpressive and did not impress the judges.
他的表现不令人印象深刻，没有给评委留下好印象。
2、The restaurant had unimpressive decor and average food.
这家餐厅的装饰很普通，食物也很一般。