toneless

1·Second, general buildings are unvaried along with the standardization and industrialization of design, production and materials as well as the unvaried and toneless forms of buildings across China;

第二、一般建筑随着建筑设计、生产和用材的标准化、 产业化，大江南北建筑的形式一律化、单调化造就了“千城一面”；

2·Then you warn't a dream, after all, " he said, in his flat toneless voice."

“那么我到底不是在做梦了，”他用平淡而单调的声音说。

1·I dislike the black clothing that my sister bought for me. I really don't like the toneless colors.

不喜欢姐姐帮我买的那些黑色衣服，我真的不喜欢沉闷的色彩。