adj.印象平平的，无深刻印象的

She gave a unimpressive performance during her recital.
她在独奏会上的表现并不出色。
The new CEO's presentation lacked any real substance, it was quite unimpressive.
新任CEO的演讲内容空洞无物，毫无吸引力。
His artwork failed to impress the art critics; they found it unoriginal.
他的艺术作品没有引起评论家们的赞赏，他们认为它缺乏创新。
The restaurant's food was average at best, hardly unimpressive.
餐厅的食物只能算是一般，谈不上有什么令人印象深刻的地方。
The company's financial report was unimpressive, with no significant growth projections.
公司的财务报告乏善可陈，没有显示任何显著的增长预期。
Her attempt at a joke fell flat, leaving everyone unimpressed.
她讲的笑话完全不起作用，大家都没有笑。
The renovation of the old building didn't live up to expectations – it was a rather unimpressive transformation.
老建筑的翻新并没有达到预期，显得相当普通。
The student's essay was unimpressive, filled with clichés and lacking depth.
学生的论文毫无新意，充斥着陈词滥调，深度不足。
The new smartphone model failed to impress consumers due to its high price and lack of innovative features.
新款手机因其高昂的价格和缺乏创新功能未能打动消费者。
The fireworks display was unimpressive, with a few dull explosions and no grand finale.
烟花表演平平无奇，只有几声沉闷的爆炸，没有高潮部分。