毫无新意的英语可以用 "unoriginal" 来表示。这个词来源于拉丁文 "unus"，意思是 "不同寻常的"，"original" 则来源于拉丁文 "origo"，意思是 "起源"。
例句：
The plot of the movie was unoriginal and predictable. (这部电影的情节毫无新意，完全可以预测。)
His speech was unoriginal and full of cliches. (他的演讲毫无新意，满是陈词滥调。)
Her design was unoriginal and not very creative. (她的设计毫无新意，也不是很有创意。)